menstrual disorders and abnormal vaginal bleeding
women s health issues
Absence of Menstrual Periods
Menstrual periods are regulated by Overview of the Female Reproductive System . Each month, this system produces hormones in a certain sequence to prepare the body, particularly the uterus, for pregnancy. When this system works normally and there is no pregnancy, the sequence ends with the uterus shedding its lining, producing a The hypothalamus (part of the brain that helps control the pituitary gland) The pituitary gland, which produces luteinizing hormone and follicle-stimulating hormone The ovaries, which produceestrogenandprogesterone Other hormones, such as thyroid hormones and prolactin (produced by the pituitary gland), can affect the menstrual cycle. 