<unk>  is the absence of a menstrual period in a woman of reproductive age. Physiological states of<unk>  are seen, most commonly, during pregnancy and lactation (breastfeeding). Outside the reproductive years, there is absence of menses during childhood and after menopause.<unk>  is a symptom with many potential causes. Primary<unk>  is defined as an absence of secondary sexual characteristics by age 13 with no menarche or normal secondary sexual characteristics but no menarche by 15 years of age. It may be caused by developmental problems, such as the congenital absence of the uterus, failure of the ovary to receive or maintain egg cells, or delay in pubertal development. Secondary<unk> , ceasing of menstrual cycles after menarche, is defined as the absence of menses for three months in a woman with previously normal menstruation, or six months for women with a history of oligomenorrhoea. It is often caused by hormonal disturbances from the hypothalamus and the pituitary gland, premature menopause, intrauterine scar formation, or eating disorders.
Amenorrhea
Dysmenorrhea
Blennorrhoea
Hypomenorrhea
Oligomenorrhea
Constipation
Spermaturia
Geniospasm