Ectopic pregnancy

An ectopic pregnancy is one in which the fertilized ovum is implanted in any tissue other than the uterine wall. Most ectopic pregnancies occur in the Fallopian tube (so-called tubal pregnancies), but implantation can also occur in the cervix, ovaries, and abdomen.

Overview

In a normal pregnancy, the fertilized egg enters the uterus and settles into the uterine lining where it has plenty of room to divide and grow. In a typical ectopic pregnancy, the embryo does not reach the uterus, but instead adheres to the lining of the Fallopian tube. As the embryo implants and grows, the tube becomes stretched and inflamed, causing increasing pain in the pregnant woman. If left untreated, the affected Fallopian tube will likely burst, causing gynecologic hemorrhage and endangering the life of the woman. Only 2% of ectopic pregnancies occur outside of the fallopian tubes. About 1% of pregnancies are in an ectopic location.

Related Topics:
Pregnancy - Uterus - Uterine lining - Embryo - Gynecologic hemorrhage

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