Woman's ovaries contain many eggs, called ova. One egg matures and gets released every cycle which is known as ovulation. After ovulation, estrogen and progesterone hormones are released in the premenstrual phase of the cycle so that lining of the uterus gets stimulated and it get ready for pregnancy. If pregnancy does not take place, lining gets shed and periods begin.
PMS or Premenstrual Syndrome Is recognized by a number of symptoms related to the menstrual cycle. No definite causes are defined behind it and symptoms go by itself after menstruation. PMS starts usually 1 to 2 weeks before monthly bleeding begins. Symptoms vary for each woman and for some, PMS is just monthly bother and for some it is very severe to handle.
PMS is a complex condition that involves both physical and emotional symptoms. It is very common among women in their late 20s and late 40s and also in childbearing age.
Severe factors may involve though causes are not clear that how PMS develops in some women.
Causes may be related to:
There are no specific tests and diagnostic methods for PMS but following are really helpful to rule out condition: