Do Teen Brothers Compare Dicks: Understanding Male Puberty

Teen brothers comparing dicks is a sensitive topic often stemming from anxieties about physical development during puberty; however, COMPARE.EDU.VN focuses on providing factual information about puberty and body image. We offer resources for understanding male puberty, addressing common concerns, and promoting healthy self-esteem. Explore our comprehensive guide for insights into male development, comparison issues, and strategies for fostering positive body image, focusing on real comparison factors to help you make informed decisions.

1. What Physical Changes Do Boys Experience During Puberty?

Puberty in boys involves significant physical changes, starting with hormone surges that cause a variety of transformations. Every boy’s timeline for puberty is different. Common changes include:

Enlargement of the testicles and scrotum
Growth of pubic hair
Changes in body shape
Penis growth
Voice change
Possible breast development (gynecomastia)

These changes are all part of the normal process of male development.

1.1. How Do Testicles and Scrotum Change During Puberty?

The testicles and scrotum undergo significant changes during puberty. Initially, there is a near doubling in the size of the testicles, accompanied by changes in the scrotal sac. Key changes include:

Size Increase: The testicles nearly double in size, marking the onset of puberty.
Scrotal Skin Changes: The skin of the scrotum darkens, enlarges, and thins, hanging down from the body.
Hair Follicles: Tiny bumps, which are hair follicles, appear on the scrotum.
Asymmetry: In most boys, one testicle (usually the left) hangs lower than the other.

These physical changes are among the first visible signs of puberty in boys.

1.2. What to Expect with Pubic Hair Growth During Puberty?

Fueled by testosterone, pubic hair growth is a key change during puberty. This process typically unfolds in the following manner:

Initial Stage: Light-colored, downy hairs appear at the base of the penis.
Progression: The pubic hair soon turns darker, curlier, and coarser in texture.
Pattern: The hair pattern is diamond-shaped, spreading over the pubic region and toward the thighs.
Further Development: A thin line of hair may also travel up to the navel.
Body Hair: Roughly two years after pubic hair appears, sparse hair begins to sprout on the face, legs, arms, and underarms, and later on the chest.

These changes in hair growth are driven by hormonal shifts and are a natural part of male puberty.

1.3. How Does Body Shape Change During Puberty?

During puberty, boys experience significant changes in body shape. Initially, boys may appear a little chubby and gangly, with long arms and legs compared to the trunk. The primary transformations include:

Growth Spurt: Boys experience a growth spurt, with the peak occurring during the later stages of sexual maturation.
Proportional Changes: Body proportions change as there is rapid growth of the trunk and, to some extent, the legs.
Muscle Mass: Boys continue to develop muscle mass long after girls do, resulting in a lower body fat percentage by the late teens.
Strength Difference: A girl’s physical strength virtually equals a boy’s until middle adolescence, when the difference widens appreciably.

These changes reflect the hormonal and developmental processes characteristic of puberty in males.

1.4. What Happens During Penis Growth in Puberty?

Penis growth is a prominent aspect of puberty, with significant variation in the timing and extent of development. The key points to consider are:

Timing: A boy may reach adult-size genitals as early as age thirteen or as late as eighteen.
Growth Pattern: The penis initially grows in length, followed by an increase in width.
Common Concerns: Teenage males often inspect their penis and compare themselves to other boys, with size being a primary concern.

Parents can reassure their sons that sexual function is not dependent on penis size and that the dimensions of the flaccid penis do not necessarily indicate its size when erect. Encouraging open conversations and involving a pediatrician can help address these concerns.

1.5. Why Does Voice Change Occur During Puberty?

Voice change is a noticeable development during puberty. Just after the peak of the growth spurt, a boy’s voice box (larynx) enlarges, as do the vocal cords. Key aspects of this change include:

Larynx Enlargement: The larynx enlarges, leading to the deepening of the voice.
Voice Cracking: During the transition, a boy’s voice may “crack” occasionally.
Completion: Once the larynx reaches adult size, the cracking will stop.
Comparison to Girls: Girls’ voices also lower in pitch, but the change is not as striking as in boys.

Understanding the physiological reasons behind these voice changes can help boys navigate this aspect of puberty with greater ease.

1.6. What is Breast Development (Gynecomastia) in Boys During Puberty?

Breast development, or gynecomastia, can occur in boys during puberty, leading to concerns about their changing bodies. Key points include:

Prevalence: Early in puberty, many boys experience soreness or tenderness around their nipples.
Physical Changes: Three in four boys may experience some breast growth due to the conversion of testosterone to estrogen.
Extent: Most of the time, the breast enlargement amounts to a firm breast bud under the nipples, but occasionally it may be more extensive, resulting in gynecomastia.
Pseudo-Gynecomastia: Overweight boys may have the appearance of pseudo-gynecomastia (lipomastia) due to excess fatty tissue on the chest wall.
Resolution: Gynecomastia usually resolves in one to two years, providing relief to boys concerned about this development.

1.7. What Parents Should Know About Gynecomastia?

As a parent, understanding gynecomastia is essential to supporting your son through puberty. Here’s what you need to know:

Awareness: If your son suddenly seems self-conscious about changing for gym or refuses to be seen without a shirt, it may indicate he’s noticed some swelling in one or both breasts.
Reassurance: Explain that gynecomastia is usually temporary and resolves within one to two years.
Medical Evaluation: Gynecomastia warrants evaluation by a pediatrician, especially if it arises prior to puberty or late in adolescence.
Possible Causes: Medical conditions, endocrine tumors, adrenal disorders, chromosomal disorders, liver disease, rare genetic disorders, and certain drugs can cause excessive breast growth.
Environmental Factors: Exposure to external sources of estrogen or estrogen precursors, including ingested soy, and plant estrogen in lotions and/or personal care products, such as lavender or tea tree oil, may contribute.

2. Why Do Teen Brothers Compare Dicks and What Are the Underlying Concerns?

Teen brothers comparing dicks, while a sensitive topic, often stems from underlying concerns about body image, self-esteem, and normal development during puberty. This behavior is driven by several factors:

Insecurity About Size: A primary concern is often the size of their penis.
Comparison Anxiety: Teenagers compare themselves to others to gauge their own development and normality.
Lack of Information: Misconceptions about sexual function and penis size can fuel anxieties.
Social Pressure: Peer influence and cultural norms can contribute to these comparisons.

Understanding these underlying issues is crucial for parents and educators to provide appropriate support and guidance.

2.1. How Do Boys’ Concerns About Penis Size Arise?

Boys’ concerns about penis size typically arise during puberty due to several factors:

Media Influence: Exposure to media that often exaggerates or misrepresents male anatomy can create unrealistic expectations.
Peer Comparison: Teenagers frequently compare themselves to their peers, leading to anxiety about whether they measure up.
Misinformation: Lack of accurate information about sexual development and function can lead to misconceptions and insecurities.
Cultural Norms: Societal expectations and cultural standards can place undue emphasis on penis size as a measure of masculinity.

Addressing these concerns requires open communication, accurate information, and reassurance that sexual function is not solely dependent on size.

2.2. What Role Does Body Image Play in Male Puberty?

Body image plays a significant role in male puberty, influencing self-esteem and mental well-being. Key aspects include:

Self-Perception: Boys become more aware of their physical appearance and how it compares to others.
Social Comparison: Teenagers frequently compare themselves to peers, leading to feelings of inadequacy or superiority.
Media Influence: Media representations of ideal male bodies can create unrealistic expectations.
Psychological Impact: Negative body image can lead to anxiety, depression, and other mental health issues.

Promoting a positive body image involves fostering self-acceptance, providing accurate information about puberty, and challenging unrealistic standards.

2.3. How Can Parents Address Concerns About Body Comparison?

Parents can play a crucial role in addressing their sons’ concerns about body comparison during puberty. Strategies include:

Open Communication: Create a safe space for open and honest conversations about body image and self-esteem.
Accurate Information: Provide accurate information about puberty and normal development.
Reassurance: Reassure your son that everyone develops at their own pace and that differences are normal.
Positive Reinforcement: Focus on strengths and positive qualities rather than physical appearance.
Media Literacy: Encourage critical thinking about media portrayals of ideal bodies.
Professional Help: If necessary, seek professional help from a therapist or counselor.

These steps can help boys develop a healthier body image and navigate the challenges of puberty with greater confidence.

2.4. What are the Potential Psychological Effects of Comparing Bodies?

Comparing bodies during puberty can have significant psychological effects on teenagers. These effects include:

Low Self-Esteem: Constant comparison can lead to feelings of inadequacy and low self-worth.
Anxiety and Depression: Body image concerns can contribute to anxiety and depressive symptoms.
Body Dysmorphic Disorder (BDD): In severe cases, obsessive focus on perceived flaws can develop into BDD.
Eating Disorders: Body image pressures can lead to unhealthy eating behaviors and eating disorders.
Social Isolation: Teenagers may withdraw from social situations due to body image concerns.

Addressing these potential effects requires early intervention, supportive communication, and, if necessary, professional mental health care.

3. What Are Some Common Myths and Misconceptions About Male Puberty?

There are many myths and misconceptions surrounding male puberty that can cause unnecessary anxiety and confusion. Some of the most common include:

Myth: Penis Size Determines Sexual Ability: Reality: Sexual function is not primarily determined by penis size.
Myth: All Boys Develop at the Same Rate: Reality: Puberty varies greatly in timing and progression from boy to boy.
Myth: Breast Development (Gynecomastia) Means a Boy is Becoming Female: Reality: Gynecomastia is a normal, often temporary, hormonal response during puberty.
Myth: Wet Dreams Are Always the Result of Sexual Dreams: Reality: Wet dreams are a normal physiological occurrence and not always linked to sexual fantasies.
Myth: Voice Cracking is Permanent: Reality: Voice cracking is a temporary phase as the larynx grows and stabilizes.

3.1. How Does Penis Size Affect Sexual Function?

Penis size does not primarily determine sexual function. Key points to consider include:

Sensitivity: Sexual pleasure is largely derived from nerve endings in the penis, particularly the glans, which are not directly related to size.
Erection Quality: The ability to achieve and maintain an erection is more important than size.
Partner Satisfaction: Open communication and intimacy contribute more to partner satisfaction than penis size.
Psychological Factors: Confidence and comfort with one’s body can enhance sexual experiences.

Addressing misconceptions about penis size and sexual function is crucial for promoting healthy sexual attitudes.

3.2. Is Breast Development (Gynecomastia) a Sign of Feminization?

Breast development (gynecomastia) is not a sign of feminization. It is a normal, often temporary, hormonal response during puberty. Key facts include:

Hormonal Imbalance: Gynecomastia occurs due to a temporary imbalance between testosterone and estrogen.
Prevalence: It is common, affecting up to 75% of boys during puberty.
Resolution: It usually resolves within one to two years as hormone levels stabilize.
Medical Evaluation: Persistent or severe gynecomastia may require medical evaluation to rule out underlying conditions.

Understanding the hormonal basis of gynecomastia can help alleviate concerns and dispel misconceptions.

3.3. Are Wet Dreams Always Caused by Sexual Dreams?

Wet dreams are not always caused by sexual dreams. They are a normal physiological occurrence during puberty. Key points include:

Nocturnal Emissions: Wet dreams, also known as nocturnal emissions, are involuntary ejaculations during sleep.
Physiological Response: They are a result of hormonal changes and increased sexual arousal.
Not Always Sexual: They do not always involve explicit sexual content in dreams.
Normal Development: They are a sign of normal sexual development and reproductive function.

Educating teenagers about wet dreams can help normalize this experience and reduce associated anxiety.

3.4. Does Voice Cracking Mean There’s Something Wrong?

Voice cracking does not mean there is something wrong. It is a temporary phase that occurs as the larynx grows and stabilizes during puberty. Key facts include:

Larynx Growth: As the voice box (larynx) enlarges, the vocal cords lengthen, causing the voice to deepen.
Temporary Instability: During this process, the voice may “crack” or fluctuate in pitch.
Normal Process: This is a normal part of vocal development during puberty.
Stabilization: Once the larynx reaches its adult size, the voice will stabilize, and the cracking will stop.

Reassuring teenagers that voice cracking is a normal and temporary phenomenon can help them navigate this awkward phase with greater confidence.

4. How Can Teenagers and Parents Promote a Healthy Body Image?

Promoting a healthy body image involves fostering self-acceptance, challenging unrealistic standards, and focusing on overall well-being. Here are some strategies for teenagers and parents:

Self-Acceptance: Encourage teenagers to accept and appreciate their bodies as they are.
Challenge Unrealistic Standards: Critique media portrayals of ideal bodies and promote diversity.
Focus on Health: Emphasize the importance of healthy eating, regular exercise, and overall well-being rather than weight or appearance.
Positive Self-Talk: Encourage positive affirmations and self-compassion.
Open Communication: Create a safe space for open and honest conversations about body image and self-esteem.
Professional Help: Seek professional help from a therapist or counselor if necessary.

4.1. What Are the Benefits of Open Communication?

Open communication offers numerous benefits for teenagers navigating puberty and body image concerns. These benefits include:

Increased Trust: Open communication fosters trust between teenagers and parents.
Emotional Support: Teenagers feel more supported and understood when they can openly share their concerns.
Accurate Information: Open discussions provide opportunities to dispel myths and provide accurate information.
Reduced Anxiety: Sharing concerns can help alleviate anxiety and stress.
Problem-Solving: Open communication facilitates problem-solving and coping strategies.
Stronger Relationships: It strengthens relationships between teenagers and their families.

4.2. How Can Parents Encourage Positive Self-Talk?

Parents can encourage positive self-talk in their teenagers by:

Modeling: Demonstrate positive self-talk by speaking kindly about themselves.
Affirmations: Encourage teenagers to use positive affirmations daily.
Challenge Negative Thoughts: Help teenagers identify and challenge negative thoughts about their bodies.
Focus on Strengths: Highlight strengths and positive qualities rather than focusing on perceived flaws.
Support and Validation: Provide support and validation for their feelings and experiences.
Limit Negative Influences: Minimize exposure to media that promote unrealistic body standards.

4.3. What Role Does Healthy Eating and Exercise Play?

Healthy eating and regular exercise play a crucial role in promoting a positive body image and overall well-being. Benefits include:

Improved Physical Health: Healthy habits contribute to physical health and energy levels.
Better Mental Health: Exercise releases endorphins, which can improve mood and reduce stress.
Increased Confidence: Achieving fitness goals can boost self-confidence and self-esteem.
Positive Body Image: Focusing on health rather than appearance can foster a more positive body image.
Reduced Risk of Disorders: Healthy habits reduce the risk of eating disorders and other health problems.

4.4. When Should Professional Help Be Considered?

Professional help should be considered if:

Persistent Anxiety: The teenager experiences persistent anxiety or depression related to body image.
Body Dysmorphic Symptoms: The teenager exhibits obsessive focus on perceived flaws.
Eating Disorder Behaviors: The teenager engages in unhealthy eating behaviors.
Social Isolation: The teenager withdraws from social activities due to body image concerns.
Suicidal Thoughts: The teenager expresses suicidal thoughts or feelings.

Mental health professionals can provide support, guidance, and evidence-based treatments to address these concerns and promote positive mental health.

5. How Does COMPARE.EDU.VN Help Users Make Informed Decisions About Body Image and Puberty?

COMPARE.EDU.VN provides users with comprehensive and objective information to make informed decisions about body image and puberty. Our platform offers:

Detailed Comparisons: Compare different aspects of puberty, debunking myths and providing accurate information.
Objective Data: Present factual data on physical and emotional changes during puberty.
Expert Insights: Offer insights from experts in adolescent health and psychology.
User Reviews: Provide reviews and testimonials from other users.
Resource Directory: Connect users with relevant resources, including healthcare providers and support groups.
Comprehensive Guides: Offer step-by-step guides on understanding puberty and fostering a healthy body image.

5.1. What Types of Comparisons Does COMPARE.EDU.VN Offer?

COMPARE.EDU.VN offers various types of comparisons to help users understand puberty and body image, including:

Developmental Timelines: Compare the typical timelines for puberty in boys and girls.
Physical Changes: Compare the physical changes associated with puberty, such as growth spurts, voice changes, and body shape.
Emotional Changes: Compare the emotional changes experienced during puberty, such as mood swings, self-esteem issues, and social pressures.
Myth vs. Reality: Compare common myths and misconceptions about puberty with scientific facts.
Support Resources: Compare different support resources available, such as healthcare providers, therapists, and support groups.

5.2. How Does COMPARE.EDU.VN Ensure Objectivity?

COMPARE.EDU.VN ensures objectivity by:

Data-Driven Analysis: Relying on scientific data and research to support comparisons.
Expert Reviews: Consulting with experts in adolescent health and psychology to review content.
Balanced Perspectives: Presenting balanced perspectives from different sources.
Transparency: Clearly stating the sources and methodologies used in comparisons.
User Feedback: Incorporating user feedback to improve accuracy and relevance.

5.3. What Resources Does COMPARE.EDU.VN Provide for Further Support?

COMPARE.EDU.VN provides a range of resources for further support, including:

Healthcare Provider Directory: A directory of healthcare providers specializing in adolescent health.
Therapist Directory: A directory of therapists and counselors specializing in body image and self-esteem.
Support Group Listings: Listings of support groups for teenagers and parents.
Educational Articles: A library of educational articles on puberty, body image, and related topics.
Recommended Reading: A list of recommended books and websites for further information.
Contact Information: Contact information for relevant organizations and helplines.

6. Addressing Fertility and Related Concerns During Puberty

During puberty, boys experience significant changes related to fertility and sexual function. Understanding these changes and addressing related concerns is essential for their well-being.

6.1. When Are Boys Considered Capable of Procreation?

Boys are considered capable of procreation upon their first ejaculation, which typically occurs about one year after the testicles begin to enlarge. Key points include:

Sperm Production: The testicles begin to produce sperm in addition to testosterone.
Semen Formation: The prostate, seminal vesicles, and Cowper’s glands secrete fluids that combine with sperm to form semen.
Ejaculation Volume: Each ejaculation contains about one teaspoonful of semen, with 200 million to 500 million sperm.

6.2. What Are Wet Dreams and Involuntary Erections?

Wet dreams and involuntary erections are common experiences during puberty. Here’s what you should know:

Wet Dreams (Nocturnal Emissions): Wet dreams are involuntary ejaculations that occur during sleep. They are not always the result of sexual dreams.
Involuntary Erections: Erections may occur unpredictably and for no apparent reason, often at inconvenient times.

6.3. How Can Parents Help Their Sons Understand and Manage Wet Dreams?

Parents can help their sons understand and manage wet dreams by:

Explanation: Explain that this phenomenon happens to all boys during puberty and that it will stop as they get older.
Reassurance: Emphasize that a wet dream is nothing to be ashamed of or embarrassed by.
Normalization: Note that masturbation is normal and harmless as long as it is done privately.

6.4. What Can Be Done About Involuntary Erections?

Involuntary erections are a common concern during puberty. Here’s how parents can help:

Reassurance: Tell your teen there’s not much he can do to suppress spontaneous erections.
Explanation: Explain that over time, they will become less frequent.
Patience: Encourage patience and understanding as this is a normal part of puberty.

7. Additional Physical Concerns During Puberty

Adolescent boys often experience unique physical changes and may encounter specific concerns related to their developing bodies. Being informed about these changes can help alleviate anxiety and promote confidence.

7.1. What Are Penile Pink Pearly Papules?

About one in three adolescent boys have penile pink pearly papules—pimple-like lesions around the crown, or corona, of the penis. Key points to know:

Harmless: Although the tiny bumps are harmless, a teenager may fear he’s picked up a form of sexually transmitted disease.
Appearance: These papules are small, pinkish bumps that appear on the glans of the penis.
Action: The appropriate course of action is none at all. Though usually permanent, the papules are barely noticeable.

7.2. What to Do If Your Son Asks, “What Are These Bumps On My Penis?”

If your son asks about bumps on his penis, here’s how you can respond:

Reassurance: Reassure him that the bumps are likely penile pink pearly papules, which are harmless.
Information: Explain that these bumps are not a sign of a sexually transmitted infection.
Consultation: If he is still concerned, suggest a visit to the pediatrician for confirmation.

8. Where Can You Find Reliable Information and Support?

Finding reliable information and support is crucial for navigating the challenges of puberty. COMPARE.EDU.VN offers a comprehensive resource for objective comparisons and expert insights. Additionally, here are some ways you can ensure you’re getting the right advice:

Healthcare Professionals: Consult with pediatricians, family doctors, and specialists in adolescent health.
Mental Health Professionals: Seek support from therapists, counselors, and psychologists.
Educational Resources: Utilize reputable websites, books, and educational materials.
Support Groups: Join support groups for teenagers and parents.

At COMPARE.EDU.VN, we understand the complexities of puberty and strive to provide accurate, objective, and supportive information to help you navigate these changes with confidence. Whether you’re a teenager or a parent, our resources are designed to empower you with the knowledge and tools you need to thrive during this transformative period.

8.1. How Can COMPARE.EDU.VN Help You?

COMPARE.EDU.VN provides numerous resources to assist with understanding and managing puberty-related concerns.

Detailed Comparisons: Compare various aspects of puberty to aid in making informed decisions.
Objective Data: Access factual data on physical and emotional changes.
Expert Insights: Benefit from expert insights in adolescent health and psychology.
Comprehensive Guides: Utilize step-by-step guides to navigate puberty effectively.

8.2. What Should You Look For in a Healthcare Professional?

When seeking help from a healthcare professional, consider the following:

Expertise: Look for expertise in adolescent health.
Experience: Choose someone with experience working with teenagers.
Empathy: Select a professional who is empathetic and understanding.
Communication: Ensure they communicate effectively and make you feel comfortable.

8.3. What Types of Support Groups Are Available?

Various types of support groups are available to address specific needs. These include:

Teen Support Groups: Groups for teenagers to share experiences and support each other.
Parent Support Groups: Groups for parents to discuss challenges and learn coping strategies.
Specific Issue Groups: Groups focused on specific issues, such as body image, anxiety, or depression.

9. Conclusion: Navigating Puberty with Confidence

Navigating puberty can be a challenging but transformative experience. By understanding the physical and emotional changes, addressing concerns openly, and seeking reliable information and support, teenagers and parents can navigate this period with greater confidence. Remember:

Puberty is a Unique Journey: Every individual experiences puberty differently.
Information is Power: Accurate information can alleviate anxiety and dispel myths.
Support is Essential: Open communication and professional help can make a significant difference.
Self-Acceptance is Key: Fostering self-acceptance and a positive body image is crucial for overall well-being.

Visit COMPARE.EDU.VN for detailed comparisons, expert insights, and comprehensive guides to help you navigate puberty with confidence. Our mission is to empower you with the knowledge and resources you need to thrive during this transformative period.

10. Frequently Asked Questions (FAQs) About Male Puberty

10.1. Is it normal for one testicle to hang lower than the other?

Yes, it is normal for one testicle (usually the left) to hang lower than the other. This is due to anatomical differences in the spermatic cords.

10.2. How long does puberty last in boys?

Puberty typically lasts about two to five years, starting between the ages of 9 and 14.

10.3. Is it normal to feel self-conscious about my changing body during puberty?

Yes, it is very common to feel self-conscious about your changing body during puberty. These feelings are normal as you adjust to new physical developments.

10.4. What should I do if I’m worried about my penis size?

Talk to a trusted adult, such as a parent, doctor, or counselor. They can provide accurate information and reassurance.

10.5. How can I deal with unwanted erections in public?

Try to distract yourself by thinking about something else, tensing your leg muscles, or subtly adjusting your clothing. Remember that this is a normal part of puberty.

10.6. Is it normal to have wet dreams?

Yes, wet dreams (nocturnal emissions) are a normal and natural part of puberty. They are not necessarily the result of sexual dreams.

10.7. What should I do if I have breast development (gynecomastia)?

Consult with a doctor to determine the cause and discuss possible treatment options. In most cases, gynecomastia resolves on its own within a year or two.

10.8. How can I improve my self-esteem during puberty?

Focus on your strengths, engage in activities you enjoy, practice positive self-talk, and surround yourself with supportive friends and family.

10.9. What should I do if I’m being bullied about my body?

Talk to a trusted adult, such as a parent, teacher, or counselor. They can help you develop strategies for dealing with the bullying and provide support.

10.10. Where can I find more information about puberty and sexual health?

You can find more information from healthcare professionals, reputable websites, and educational resources. COMPARE.EDU.VN provides detailed comparisons and expert insights to help you make informed decisions.

Remember, navigating puberty is a journey. At COMPARE.EDU.VN, we provide objective comparisons and expert insights to help you make informed decisions about body image and puberty. For additional support and guidance, visit us at COMPARE.EDU.VN or contact us at:

Address: 333 Comparison Plaza, Choice City, CA 90210, United States
WhatsApp: +1 (626) 555-9090
Website: COMPARE.EDU.VN

Let compare.edu.vn be your trusted resource for understanding and navigating the changes of puberty with confidence.