Vaginal Bleeding Also called: Dysfunctional Uterine Bleeding, Uterine Bleeding Summary Menstruation, or period, is a woman’s monthly bleeding. Abnormal vaginal bleeding is different from normal menstrual periods. It could be bleeding that is between periods, lasts several weeks, or happens before puberty or after menopause. Causes can include Uterine fibroids or polyps Hormone problems Hormone pills, such as birth control pills and menopausal hormone therapy Cancer of the cervix, ovaries, uterus or vagina Thyroid problems Bleeding during pregnancy can have several different causes. It is not always a serious problem, but to be safe you should always contact your healthcare provider. Pelvic exams, blood tests and other procedures can help your healthcare provider diagnose the problem. Treatment depends on the cause. Start Here Abnormal Uterine Bleeding American Academy of Family Physicians Abnormal Uterine Bleeding American College of Obstetricians and Gynecologists Abnormal Uterine Bleeding (Beyond the Basics) UpToDate Vaginal Bleeding Mayo Foundation for Medical Education and Research Specifics Bleeding during Pregnancy American College of Obstetricians and Gynecologists Perimenopausal Bleeding and Bleeding After Menopause American College of Obstetricians and Gynecologists Clinical Trials ClinicalTrials.gov: Uterine Hemorrhage National Institutes of Health Diagnosis and Tests Complete Blood Count American Association for Clinical Chemistry Dilation and Curettage (D&C) American College of Obstetricians and Gynecologists Ultrasound — Pelvis Array Array D and C Dysfunctional uterine bleeding (DUB) Vaginal bleeding Vaginal bleeding between periods Vaginal bleeding in early pregnancy Vaginal bleeding in late pregnancy Vaginal bleeding in pregnancy Encyclopedia D and C – slideshow Endometrial biopsy Transvaginal ultrasound Teenagers Dysfunctional Uterine Bleeding (DUB) Nemours Foundation Related Issues Hormone Replacement Therapy: Can It Cause Vaginal Bleeding? Mayo Foundation for Medical Education and Research Journal Articles Vaginal Bleeding Health Check Tools Vaginal Bleeding After Menopause DSHI Systems Vaginal Bleeding in Pregnancy DSHI Systems