Braakhuis,.E.M.(2005 Xbalanques Canoe.This article is about menstruation in humans.The Art of Natural Family Planning (4th.).

Oxford University Press, 1999.6 There may also be depression or anxiety.Archived from the original on 15 September 2008.

Primary dysmenorrhea usually begins within a year or two of menarche, typically with the onset of ovulatory cycles.14 Treatments that target the mechanism of pain include non-steroidal anti-inflammatory drugs (nsaids) and hormonal contraceptives.examination under a microscope can confirm if it was endometrial tissue or pregnancy tissue (products of conception) that was shed.