Vaginal bleeding during pregnancy can be scary. However, it isn't always a sign of trouble. Bleeding in the first trimester (weeks one through 12) might occur, and most women who experience bleeding during pregnancy go on to deliver healthy babies.
Still, it's important to take vaginal bleeding during pregnancy seriously. Sometimes bleeding during pregnancy indicates an impending miscarriage or a condition that needs prompt treatment. By understanding the most common causes of vaginal bleeding during pregnancy, you'll know what to look for — and when to contact your health care provider.
Jan. 20, 2022
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- Norwitz ER, et al. Overview of the etiology and evaluation of vaginal bleeding in pregnant women. https://www.uptodate.com/contents/search. Accessed Nov. 14, 2019.
- Frequently asked questions. Pregnancy FAQ038. Bleeding during pregnancy. American College of Obstetricians and Gynecologists. http://www.acog.org/~/media/For%20Patients/faq038.pdf?dmc=1&ts=20131107T1529588773. Accessed Nov. 14, 2019.
- Gabbe SG, et al. Obstetrics: Normal and Problem Pregnancies. 7th ed. Philadelphia, Pa.: Saunders Elsevier; 2017. http://www.clinicalkey.com. Accessed Nov. 14, 2019.
- Chestnut DH, et al. Antepartum and postpartum hemorrhage. In: Chestnut's Obstetric Anesthesia: Principles and Practice. 6th ed. Elsevier; 2020. http://www.clinicalkey.com. Accessed Nov. 14, 2019.
- Ferri FF. Molar pregnancy. In: Ferri's Clinical Advisor 2020. Elsevier; 2020. https://www.clinicalkey.com. Accessed Nov. 14, 2019.
- AskMayoExpert. Vaginal bleeding in the first trimester of pregnancy. Mayo Clinic; 2017.
- Wick MJ, ed. Symptoms guide. In: Mayo Clinic Guide to a Healthy Pregnancy. 2nd ed. Mayo Clinic; 2018.
- Butler Tobah Y (expert opinion). Mayo Clinic. Nov. 19, 2019