An abdominal pregnancy can be regarded as a form of an ectopic pregnancy where the embryo or fetus is growing and developing outside the womb in the abdomen, but not in the Fallopian tube, ovary or broad ligament.Because tubal, ovarian and broad ligament pregnancies are as difficult to diagnose and treat as abdominal pregnancies, their exclusion from the most common definition of abdominal pregnancy has been debated.Others—in the minority—are of the view that abdominal pregnancy should be defined by a placenta implanted into the peritoneum.
Signs and symptoms
Symptoms may include abdominal pain or vaginal bleeding during pregnancy. [Source: Wikipedia 
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Common
Uncommon