The entire menstrual, or reproductive, cycle is completely dedicated to the preparation of the female body for pregnancy. Women menstruate because they're women. Menstrual bleeding is only one part...
if you are participating in a large amount of physical activities (competitive swimming, marathons, very vigorous activities) on a regular basis it can make your periods extremely light or even...
a girl menstruates during and after puberty. Menstruation is when the vagina fills with enriched blood .The girl can now have a baby or reproducers cycle happens for around 28 days. In those if a...