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).
PCOS increases the risk of some types of cancer. The risk of cancer of the endometrium (pronounced en-doh-MEE-tree-uhm), the inside lining of the uterus, is three times as high for women with PCOS as it is for other women. Irregular periods, or a lack of periods, can cause the endometrium to build up and become thick.