QS Study

Implantation of the fertilized ova other than the normal site of implantation in the uterine wall is called ectopic pregnancy. It occurs when a fertilized egg implants and grows outside the main cavity of the uterus.

Common sites of ectopic pregnancy –

  1. uterine tube.
  2. The rectouterine pouch.
  3. The ovary.
  4. Other sites of the uterine cavity.
  5. The mesentery.

Fig: Ectopic Pregnancy

Cause – The cause of an ectopic pregnancy isn’t always clear. A tubal pregnancy is the most common type of ectopic pregnancy, is happens when a fertilized egg gets stuck on its way to the uterus.

  • Poor transport of the zygote to the usual site through the uterine tube.
  • Congenital malformation.
  • Abnormal growths or a birth defect can result in an abnormality in the tube’s shape.
  • Genetic abnormalities or birth defects.


It can’t progress usually. The fertilized egg can’t endure, and the growing tissue might cause life-threatening bleeding if left untreated.

Diagnosis is confirmed by ultrasonogram. Treatment options vary depending on the location of the ectopic pregnancy and its development.

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