women s health issues
Abnormal Uterine Bleeding (AUB)
Causes of Abnormal Uterine Bleeding
Doctors classify causes of abnormal bleeding as due to an abnormality in a structure (structural) or due to another problem (nonstructural). Structural causes include Cervical Polyps None Adenomyosis (when endometrial tissue grows into the wall of the uterus) Uterine Fibroids None Polycystic Ovary Syndrome (PCOS) None Precancerous conditions (hyperplasia—when the uterine lining is thickened but its cells are normal) Cancer Nonstructural causes include Ovulatory dysfunction Overview of Blood Clotting Disorders None Use of contraceptives or certain medications Abnormal uterine bleeding due to ovulatory dysfunction (AUB-O)is the most common cause of nonstructural abnormal bleeding and the most common cause overall. Causes of ovulatory dysfunction include Polycystic ovary syndrome Overview of the Pituitary Gland None Overview of the Thyroid Gland None Premature Menopause (primary ovarian insufficiency) Changes that occur around Puberty in Girls or during the years before menopause occurs and the 1 year after ( Bodywide disorders, such as Overview of Liver Disease or Extreme physical or emotional stress Poor nutrition Sometimes the cause is unknown. 