Disclaimer & Trademark Notice

Last updated: October 2026

Medical disclaimer

Puberty101.com provides general educational information about puberty and adolescent health. It is not medical advice, diagnosis or treatment and does not create a clinician–patient relationship. Always seek the advice of a doctor, nurse or other qualified health professional with any questions about a medical condition. Never ignore professional advice or delay seeking it because of something you read here. If you think you or someone else may be in danger, call your local emergency number.

Tool disclaimer

Our interactive tools (including the Body Changes Explorer and Period Predictor) give general estimates based on typical ranges. They cannot predict individual development and must not be used for contraception or diagnosis.

External links & videos

Links and embedded videos are provided for convenience. We don't control or endorse third-party sites, channels or products.

Trademark & copyright disclosure

Puberty101.com is an independent educational publication operated as a website under the domain name puberty101.com. It is not affiliated with, endorsed by, sponsored by or otherwise connected to any company, organization, author, book, course, curriculum, program, app, product or registered or unregistered trademark that uses the name "Puberty 101", "Puberty101", "Puberty-101" or any similar name or mark. Any resemblance is coincidental and descriptive of the general subject ("an introduction to puberty").

All third-party names, brands, logos and trademarks mentioned on this site — including YouTube, Google, AMAZE, Mayo Clinic, the NHS, the American Academy of Pediatrics, Nemours KidsHealth and others — are the property of their respective owners and are used for identification and reference only. Their mention does not imply any affiliation or endorsement.

All original content on this site is © Puberty101.com. Embedded videos remain the property of their creators and are displayed using YouTube's standard embedding features. If you believe any content infringes your rights, please contact us with details and we will review and respond promptly.