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Sunday, August 26, 2012

Bleeding during pregnancy: causes and symptoms


Vaginal bleeding can arise frequently in the first trimester of pregnancy and may not be a sign of problems. But bleeding that occurs in the second and third trimester of pregnancy can often be a sign of a possible complication.

Bleeding can be caused by a number of reasons. You should never wear a sexual intercourse if you are currently experiencing bleeding. If you are bleeding, you should always wear a pad or panty liner so that you can monitor how much you are bleeding and what type of bleeding you are experiencing.
Bleeding can be a sign of miscarriage but does not mean that miscarriage is looming.  


Bleeding affects 20%-30% of all pregnancies. Approximately half of pregnant women who bleed do not have miscarriages. Approximately 15-20% of all pregnancies result in a miscarriage, and the majority occur during the first 12 weeks. Signs of miscarriage include: Vaginal bleeding, Tissue passing through the vagina, stronger than menstrual cramps.

Causes of bleeding

  • miscarriage
  • Ectopic pregnancy
  • Changes in the cervix: 
  • Placental abruption: About 80% of women have dark blood or clots from the vagina, but 20% have no external bleeding.  
  • Placenta praevia: About 70% of women have painless bright red blood from the vagina. Another 20% have some cramping with the bleeding, and 10% have no symptoms. 
  • Uterine rupture: uterine rupture is described as intense abdominal pain.   
  • Fetal bleeding: This condition may show up as vaginal bleeding. The baby's heart rate on the monitor will first be very fast, then slow, as the baby loses blood.  
  • Lower genital tract injury: This condition usually causes only mild spotting. Cervical is very rare in women of childbearing age.
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