Doctors use an important blood test called a complete blood count, or CBC for short, to measure the number of each blood cell in your blood sample. If the CBC shows a low number of red blood cells, white blood cells, or platelets, your doctor may look at the cells under a microscope.
In a typical menstrual cycle, estrogen made by the maturing ovarian follicle causes the glands to grow and the endometrium to thicken (partly through an increased blood supply).This thickening of the uterine lining is called the proliferative phase of the menstrual cycle.n a typical menstrual cycle, estrogen made by the maturing ovarian follicle causes the glands to grow and the endometrium to thicken (partly through an increased blood supply).
This lining usually sheds when an egg is not fertilized. During this time a woman will have her menstrual period. Menstruation usually comes with symptoms, including blood clots which can be caused by trauma or physical exertion. The following article will tell you more about blood clots during your period. As mentioned above, menstruation will occur periodically when the uterine lining sheds.