Home Symptoms Vaginal Bleeding during Pregnancy – Causes & Treatment

Vaginal Bleeding during Pregnancy – Causes & Treatment


Vaginal bleeding can be frightening during pregnancy. It isn’t necessarily a sign of danger, though. Bleeding is common in the first trimester (weeks one through 12), and the majority of women who have bleeding during pregnancy deliver healthy babies.

Even so, vaginal bleeding during pregnancy should be taken seriously. Bleeding during pregnancy can signal an approaching miscarriage or a medical problem that requires immediate attention. You’ll know what to look for — and when to call your doctor — if you know the most prevalent causes of vaginal bleeding during pregnancy.

Causes of Bleeding during Pregnancy

Vaginal spotting or bleeding during pregnancy can occur for a variety of causes. Let’s look at a few of the most common causes.

First trimester

  • Miscarriage (the spontaneous loss of pregnancy before the 20th week)
  • Problems with the cervix, such as a cervical infection, inflamed cervix or growths on the cervix
  • Implantation bleeding (which occurs about 10 to 14 days after conception when the fertilized egg implants in the lining of the uterus)
  • Molar pregnancy (a rare occurrence in which an abnormal fertilized egg develops into abnormal tissue instead of a baby)
  • Ectopic pregnancy (in which the fertilized egg implants and grows outside of the uterus, such as in a fallopian tube)

Second and Third trimester

Bleeding in the second or third trimester is usually more serious than minor bleeding in the first trimester. The following are some of the possible causes of vaginal bleeding during the second or third trimester:

  • Placenta previa. The placenta is too low in the uterus and partly covers the cervix. Bleeding happens without pain.
  • Placental abruption.The placenta detaches from the womb wall before or during labor. This happens in just 1 percent of pregnant women.
  • Premature labor: Bleeding may mean that you’re in labor too early.
  • Cervix problems. Inflammation or growths on the cervix can cause light bleeding. This is usually not serious.
  • Missed abortion. A miscarriage may have happened earlier without any signs.
  • Vasa Previa. Some of the placenta’s blood vessels go across the cervix.


Some causes of first trimester bleeding, such as a cervical polyp, can be addressed at the doctor’s office. Other problems may necessitate additional treatment, medicine, or surgery.

If the bleeding indicates that your pregnancy may no longer be carried out safely, your doctor may give drugs such as misoprostol or methotrexate.

Follow-up sessions will be required to monitor your health. Your doctor will examine your womb for any remaining tissue or scarring. If you wish to try to conceive again, your doctor can tell you when it’s safe to do so.

A miscarriage occurs at any moment throughout your pregnancy and is considered a loss. A therapist or counselor can assist you and your partner in grieving in a healthy manner.


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