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Pregnancy, Bleeding

Bleeding During Pregnancy Overview

Because bleeding during all phases of pregnancy may be dangerous, you should call your health care provider if you have any signs of vaginal bleeding during your pregnancy.

Vaginal bleeding is any blood coming from your vagina (the canal leading from the uterus to the external genitals). This usually refers to abnormal bleeding not associated with a regular menstrual period.

  • First trimester bleeding is any vaginal bleeding during the first 3 months of pregnancy. Vaginal bleeding may vary from light spotting to severe bleeding with clots. Vaginal bleeding is a common problem in early pregnancy, complicating 20-30% of all pregnancies.
  • Any vaginal bleeding during the second and third trimesters of pregnancy (the last 6 months of a 9-month pregnancy) involves concerns different from bleeding in the first 3 months of your pregnancy. Any bleeding during the second and third trimesters is abnormal.
  • Bleeding from the vagina after the 28th week of pregnancy is a true emergency. The bleeding can range from very mild to extremely brisk and may or may not be accompanied by abdominal pain. Hemorrhage (another word for bleeding) is the most common cause of death of the mother in the United States. It complicates about 4% of all pregnancies.


Next: Bleeding During Pregnancy Causes »

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Pregnancy, Bleeding

Miscarriage Overview

A miscarriage (also termed spontaneous abortion) is any pregnancy that spontaneously ends before the fetus can survive. Any vaginal bleeding, other than spotting, during early pregnancy is considered a threatened miscarriage. Vaginal bleeding is very common in early pregnancy. About one out of every four pregnant women has some bleeding during the first few months. About half of these women stop bleeding and complete a normal pregnancy.

  • Threatened miscarriage - Vaginal bleeding during early pregnancy. The bleeding and pain with threatened miscarriage are usually mild and the cervical os (the mouth of the womb) is closed. Your health care provider will be able to determine if the cervical os is open upon performing a pelvic exam. Typically, no tissue is passed from the womb. The womb and Fallopian tubes may be tender.

  • Inevitable miscarriage ...

Read the Miscarriage article »



Read What Your Physician is Reading on eMedicine

Pregnancy, Postpartum Hemorrhage »

Postpartum hemorrhage (PPH) is a potentially life-threatening complication of both vaginal and cesarean delivery.

Read More on eMedicine »

Medical Dictionary