Medical Author: William C. Shiel Jr., MD, FACP, FACR
Normal vaginal bleeding is the periodic blood that flows as a discharge from the woman's uterus as a result of normal cyclic hormonal changes each month. Normal vaginal bleeding is also called menorrhea. The process by which menorrhea occurs is called menstruation.
Abnormal vaginal bleeding is a flow of blood from the vagina that occurs either at an unusual time during the month or in inappropriate amounts.
Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.
Causes of Vaginal Bleeding
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Other Causes of Vaginal Bleeding
- Cervix-Related (Cervicitis, Cervical Polyp)
- Medical Illnesses (Clotting Disorders, Hyperprolactinemia, Kidney Disease, Liver Disease, Thyroid or Adrenal Dysfunction)
- Medications (Both Prescription and Nonprescription)
- Ovary or Fallopian Tube-Related (Ovarian Tumors, Salpingo-oophoritis)
- Uterus-Related (Adenomyosis, Endometrial Hyperplasia, Endometrial Polyp, Endometritis, Fibroids, Intrauterine Device/IUD)
- Vulvar or Vaginal-Related (Coitus, Foreign Body in Vagina, Vaginal Tumor, Vulvitis)
Examples of Medications for Vaginal Bleeding
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