Menstrual Cycle
The cycle is needed for the creation of oocytes, for the medication of the uterus for  pregnancy . Up to 80% of ladies report having a few side effects between one to fourteen days ahead period. The menstrual cycle is the normal regular change that happens in the womanish reproductive system that makes gestation conceivable. The cycle is needed for the product of oocytes. The menstrual cycle occurs because the rise and fall of  estrogen . This results in the thickening of the filling of the uterus, and the growth of an egg. The egg is needed for the pregnancy. Few hormonal changes are :     Amenorrhoea      (absent menstrual periods)   Dysmenorrhoea      (painful menstrual periods)   Menorrhagia      (heavy menstrual periods)   Menstrual      cycles and  Ovulation   Common  Menstrual      Problems   Menopause      and the menstrual cycle   Abnormal      bleeding  and menstrual disorder