A molar pregnancy refers to a pregnancy that is a type of gestational trophoblastic disease. It can refer to either a complete or a partial mole. Throughout the United States and Europe the incidence is about 1/1000 and 1/2000 pregnancies. Although it is much more common in areas such as Southeast Asia and Mexico.
We still do not know exactly why a molar pregnancy occurs. It is believed to be a nutritional deficit like protein or carotene. It can also be caused by a ovular (ovulation) defect.
Complete Mole
This occurs when the nucleus of an egg is either lost or inactivated. The sperm then duplicates itself because the egg was lacking genetic information. Usually there is no fetus, no placenta, no fluid and no amniotic membranes.
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