a food product that consists of whole or ground grains of various crops. Most groats are made from grains of rice, millet, and buckwheat; some are made from oats, corn, wheat, and peas.
Abnormal uterine bleeding has many causes. It is sometimes caused by changes in hormone levels. It can also be caused by problems such as growths in the uterus or clotting problems. In some cases the cause of the bleeding isn't known. You may have abnormal uterine bleeding if you have one or more of the following symptoms: 1  You get your period more often than every 21 days or farther apart than 35 days. 2  Your period lasts longer than 7 days (normally 4 to 6 days). 3  Your bleeding is heavier than normal.
Possible causes of abnormal vaginal bleeding include: 1  Adenomyosis. 2  Celiac disease. 3  Cervical cancer. 4  Cervical polyps, noncancerous (benign) growths on your cervix. 5  Chlamydia. 6  Problems with the cervix, such as a cervical infection, inflamed cervix or growths on the cervix. 7  Endometrial cancer. 8  Endometrial hyperplasia.