Premenstrual Syndrome (PMS); Premenstrual Syndrome / Pms 


Premenstrual stress syndrome (PMS, also called Premenstrual stress, Premenstrual tension, PMT and premenstrual syndrome) is stress which is a physical symptom prior to the onset of menstruation.

A sex organ, or primary sexual characteristic, narrowly defined, is any of those parts of the body (which are not always bodily organs according to the strict definition) which are involved in sexual reproduction and constitute the reproductive system in an complex organism; namely: * Male: penis (notably the glans penis and foreskin), testicles, scrotum, prostate, seminal vesicles, epididymis, Cowper's glands* Female: vulva (notably the clitoris), vagina (notably the cervix), labia ...