Some breast changes or conditions are related to a young woman's menstrual cycle, but others may occur at any time. Most breast conditions are benign.
Amenorrhea is when a girl's menstrual bleeding (period) doesn't occur.
Menstrual cramps (dysmenorrhea) are severe, painful cramps that occur with menstruation.
Vulvitis is an inflammation of the vulva. The vulva is the outer part of the female reproductive system.
Vaginitis is any inflammation or infection of the vagina. It is a common problem in girls and women of all ages.
A detailed look at STIs and teens, from protection and treatment to different types of STIs.
The only safe sex is no sex, most healthcare providers say. But certain precautions and safe behaviors can reduce a person's risk of contracting a sexually transmitted infection.
Premenstrual syndrome (PMS) is a group of emotional and physical symptoms many women have in the days before their period starts. Lifestyle changes and sometimes medicines can help manage symptoms.