Part I. The menstrual cycle, a primer -- Why menstruation? ; Menstrual cycle 101 ; The brain-brain-ovary connection ; The basics of bleeding ; Reproductive hormones: a handbook ; Menarche: Journey to the first period ; Menopause: the afterparty ; Part II. Common concerns and menstrual maintenance -- The pelvic exam ; Premenstrual symptoms: PMS, PMDD, and breast pain ; Beyond the uterus: hormones and your health ; Menstrual tracking ; The history and safety of menstrual products ; Modern menstrual products ; Menstrual product myths ; Part III. Bleeding and pain -- A primer on abnormal bleeding ; Heavy periods ; Bleeding bingo: When periods stop, when they become irregular, and breakthrough bleeding ; Polycystic ovarian syndrome ; Painful periods ; Endometriosis ; Alternative therapies for menstrual pain ; Part IV. Contraception and abortion -- The history of hormonal contraception ; Estrogen-containing contraceptives: The modern pill, patch, and ring ; Progestin-only methods ; Emergency contraception ; The history of the intrauterine device ; The modern intrauterine device ; Abortion ; Surgical sterilization, barrier contraception, and fertility awareness methods ; Contraception potpourri.