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The Puberty101 library

Every puberty question, answered plainly

18 in-depth guides on body changes, periods, hygiene, feelings, body safety and more — written for teens, parents and educators, in line with guidance from pediatric and public-health organizations.

Body Changes6 min read

What Is Puberty? The Complete Beginner's Guide

Learn what puberty is, why it happens, when it usually starts and what changes to expect. A clear, friendly guide for teens and the adults supporting them.

Body Changes6 min read

The Puberty Timeline: What Happens and When

See the typical order and timing of puberty for girls and boys, including the five Tanner stages, growth spurts and first periods, in clear terms.

Body Changes6 min read

Puberty for Girls: Every Change, Explained

A clear guide to puberty for girls: breast development, growth spurts, body hair, discharge, periods, skin and emotions, plus when to see a doctor.

Body Changes6 min read

Puberty for Boys: Every Change, Explained

A clear guide to puberty for boys: testicle growth, voice changes, growth spurts, body and facial hair, skin, wet dreams and emotions, explained simply.

Periods6 min read

Your First Period: What to Expect and How to Get Ready

Everything to know about a first period: when it usually starts, early signs, what it looks like, pads vs. tampons, cramps and building a period kit.

Body Changes6 min read

Growth Spurts, Voice Changes and Body Hair

Why puberty brings fast growth, a deeper voice and new body hair, when each change usually happens, and practical tips for handling all three.

Health & Hygiene6 min read

Acne During Puberty: Causes, Care and What Actually Works

Why acne shows up during puberty, how to build a simple skin routine, which treatments really help, and when it's time to see a doctor or dermatologist.

Health & Hygiene6 min read

Puberty Hygiene 101: Sweat, Showers, Deodorant and More

A practical guide to staying fresh during puberty: body odour, showering, deodorant, hair and teeth care, clean clothes and caring for your feet.

Feelings & Mind6 min read

Hormones and Mood Swings: Understanding Your Feelings During Puberty

Why emotions can feel bigger during puberty, how hormones and brain growth play a role, practical ways to cope and when to reach out for support.

Feelings & Mind6 min read

Body Image and Confidence Through Puberty

How puberty affects the way you see your body, why comparison is tricky, and kind, practical ways to build confidence and a healthier self-image.

Health & Hygiene6 min read

Sleep, Food and Movement: Fueling a Growing Body

How much sleep teens need, how to build balanced meals without dieting, and why daily movement matters during puberty for healthy, steady growth.

For Parents6 min read

Early or Late Puberty: What's Normal and When to See a Doctor

The typical age range for puberty, what precocious and delayed puberty mean, common causes, how doctors check timing and when to book a visit.

Body Changes6 min read

15 Puberty Myths vs Facts

Fifteen common puberty myths about periods, growth, hygiene, skin and emotions, corrected with clear facts for teens and parents to share together.

Periods6 min read

How to Build a First-Period Kit: A Parent and Teen Checklist

A simple checklist for building a first-period kit for school or bag, with the best products for beginners, packing tips and what to do in a leak.

For Parents6 min read

How to Talk to Your Child About Puberty (Age-by-Age Guide)

A practical age-by-age guide for parents on talking about puberty, from toddler body-part names to teen questions, with scripts and calm tips.

For Parents6 min read

Body Safety, Privacy and Boundaries: A Puberty-Age Guide for Families

How parents can teach body autonomy, privacy, boundaries and the no-secrets rule during puberty, plus how to keep communication open and get help.

For Parents6 min read

Supporting Autistic and ADHD Kids Through Puberty

Practical ways to help autistic and ADHD children through puberty with visual schedules, social stories, sensory-friendly hygiene and period products.

For Educators6 min read

Teaching Puberty in the Classroom: A Practical Guide for Educators

A practical guide for teachers on puberty lessons: lesson structure, ground rules, an anonymous question box, inclusive language and parent communication.

Free puberty talk scripts for parentsGet the kit