Teen health
Learning Center
Heavy menstrual bleeding
Learn about the causes and treatment of heavy menstrual periods.
Mental illness in children: Know the signs
It can be hard to tell the difference between typical behavior and symptoms of mental illness in children. Find out what to look for and when to act.
Ambiguous genitalia
Learn about causes and treatment of ambiguous genitalia, a rare disorder of sex development in which a baby's external genitals are not clearly male or female.
Amenorrhea
Absence of menstruation (amenorrhea) may be linked to an underlying, treatable problem. Learn about amenorrhea causes and when to seek help.
Vaginal odor
Learn about causes of unpleasant or unusual odor from the vagina and when to seek care.
Bent penis
Learn what can cause a curved erection and when you may need to see a health care provider.
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