When a Teenager's Irregular Periods Are Cause for Concern - The New York Times

Irregular Periods in Teens and Pre-Teens - Baptist Health

6 Common Questions About a Girl's First Period

5 Best Reason for Irregular Periods in Teenage

5 Best Reason for Irregular Periods in Teenage

Irregular Periods: How to Get Pregnant + Infertility

The Connection between Diet, Periods and Bone Stress Injuries in

Irregular Periods - Hormonal Imbalance Symptoms

Irregular Periods: When to Ask Your Doctor

10 Conditions That Can Affect the Menstrual Cycle

How hormones can affect your child's health