Anatomy of the Breasts Each breast has 15 to 20 sections (lobes), which are arranged like the petals of a daisy. Each lobe has many smaller lobules, which end in dozens of tiny bulbs that can produce milk. Normal Breast Development and Changes Breast development occurs in distinct stages, first before birth, and again at puberty and during the childbearing years. Changes also occur to the breasts during menstruation and when a woman reaches menopause. Breast Conditions 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. How to Perform a Breast Self-Examination (BSE) By doing BSE regularly, you get to know how your breasts normally feel so that you are more apt to detect any change. Anatomy of Female Pelvic Area The female pelvic area contains a number of organs and structures: the endometrium, uterus, ovaries, cervix, vagina, and vulva. Amenorrhea in Teens Amenorrhea is a menstrual condition in which a woman's menstrual periods are absent for more than three monthly cycles. Pregnancy is one possible cause of amenorrhea. Dysmenorrhea in Adolescents Dysmenorrhea is a menstrual condition marked by severe and frequent menstrual cramps and pain. Dysmenorrhea can be either lifelong or caused by another medical condition. Recognizing Urologic or Gynecologic Problems Vaginal bleeding and discharge are a normal part of a teen girl's menstrual cycle. If your daughter notices anything different or unusual, talk with your teen's health care provider. Pap Test for Adolescents A Pap test, along with a pelvic examination, is an important part of a female's routine health care because it may detect abnormalities that can lead to invasive cancer. Vulvitis in Teens Vulvitis is an inflammation of the vulva, the soft folds of skin outside the vagina. It is a symptom of a host of diseases, infections, injuries, and allergies. Stop Dating Abuse Before It Starts Although teen dating violence is worrisome, it's not inevitable. You and your teen can avoid potentially perilous situations and reduce the risk for problems. Vaginitis in Adolescents Vaginitis is a common problem for women of all ages. Bacteria, yeast, viruses, and chemicals in creams or sprays can cause it. Premenstrual Syndrome (PMS) Most females experience some unpleasant or uncomfortable symptoms during their menstrual cycle. The type and intensity of symptoms vary. Puberty: Adolescent Female Girls experience puberty as a sequence of events, and their pubertal changes usually begin before boys of the same age. The first pubertal change in girls usually is breast development. Menstrual Cycle: An Overview A woman is generally most fertile (able to become pregnant) a few days before, during, and after ovulation.