Partial Molar Pregnancy

A partial molar pregnancy is one in which an incomplete embryo and the placenta develop to form a fetus. In place of a fully realized embryo, there are clusters of grape-like cysts which are also known as hydatidiform moles which grow in the uterus. Although, this is not an actual pregnancy, the moles trigger common pregnancy-like symptoms. Any kind of fetal growth under these circumstances will have multiple defects.

Causes of Partial Molar Pregnancy:

A partial molar pregnancy is generated due to a genetic disorder. In a  normal pregnancy, the egg receives 1 set of 23 chromosomes from the father and another 1 set of 23 chromosomes from the mother for a total of 46 chromosomes.

However, in a partial molar pregnancy, the egg receives 2 sets of chromosomes from the father; this is because 2 sperm fertilized the egg. As a result, the egg has a total of 69 chromosomes instead of 46.

Symptoms of Partial Molar Pregnancy:

  • Heavy bleeding from the vagina in the early stages of pregnancy
  • Blood will be dark brown in color
  • Severe nausea
  • Vomiting
  • High blood pressure in the early days of the pregnancy

Becoming Pregnant After a Partial Molar Pregnancy:

After the surgical treatment for a partial molar pregnancy, a woman has an optimistic outlook for conceiving and achieving a normal pregnancy.  Recurrence of another partial molar pregnancy is low, although it is recommended that a woman wait up to a year before getting pregnant to ensure all evidence of the molar pregnancy is removed.

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