Is molar pregnancy hereditary?

You can’t control whether or not you have a molar pregnancy. It’s not caused by anything you did. A molar pregnancy can happen to women of all ethnicities, ages, and backgrounds. It sometimes happens because of a mix-up at the genetic — DNA — level.

Is molar pregnancy genetic?

Symptoms and Causes

A partial molar pregnancy is a genetic accident. In a normal pregnancy, the egg receives one set of 23 chromosomes from the father and one set of 23 chromosomes from the mother, for a total of 46 chromosomes.

Do molar pregnancies run in families?

Recurrent molar pregnancy may even be familial, but this is an exceedingly rare condition (2). It is proposed that patients with recurrent hydatidiform moles fall into two groups.

Who is at risk for molar pregnancy?

The risk of complete molar pregnancy is highest in women over age 35 and younger than 20. The risk is even higher for women over age 45. Age is less likely to be a factor for partial moles. For choriocarcinoma, risk is lower before age 25, and then increases with age until menopause.

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What can cause a molar pregnancy?

Molar pregnancies are caused by an imbalance in genetic material (chromosomes) in the pregnancy. This usually occurs when an egg that contains no genetic information is fertilised by a sperm (a complete molar pregnancy), or when a normal egg is fertilised by two sperm (a partial molar pregnancy).

How long can a molar pregnancy go undetected?

There are often no symptoms of a molar pregnancy. It may only be diagnosed during a routine ultrasound scan at 8-14 weeks or during tests are done after a miscarriage.

What happens if a molar pregnancy is not treated?

If not treated, a molar pregnancy can be dangerous to the woman. It sometimes can cause a rare form of cancer. A molar pregnancy is a kind of gestational trophoblastic disease (also called GTD). This is a group of conditions that cause tumors to grow in the uterus.

How common is molar pregnancy?

Approximately 1 in every 1,000 pregnancies is diagnosed as a molar pregnancy. Various factors are associated with molar pregnancy, including: Maternal age. A molar pregnancy is more likely in women older than age 35 or younger than age 20.

How do they remove a molar pregnancy?

To treat a molar pregnancy, your doctor will remove the molar tissue from your uterus with a procedure called dilation and curettage (D&C). A D&C is usually done as an outpatient procedure in a hospital.

Can a molar pregnancy survive?

Abstract. The incidence of a normal live fetus and a partial molar placenta is extremely rare. Although triploidy is the most frequent association, a fetus with normal karyotype can survive in cases of partial molar pregnancy.

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How is molar pregnancy diagnosed?

A molar pregnancy can usually be diagnosed by high resolution ultrasound scans, because of the distinctive appearance of molar tissue. A complete molar pregnancy may be easier to detect by ultrasound than a partial molar pregnancy.

How high are hCG levels in molar pregnancy?

The measurement of high hCG levels in excess of 100,000 mIU/mL suggests the diagnosis of a complete molar pregnancy, particularly when associated with vaginal bleeding, uterine enlargement and abnormal ultrasound findings.

What does a molar pregnancy look like on ultrasound?

The presence of the molar tissue is then detected. Ultrasound scanning shows a honeycomb pattern produced by the numerous vesicles. As they enlarge the image is described to look like a snowstorm, which is due to swollen cysts with bleeding into the uterus. The ovaries are often seen to contain large cysts.

How long do you bleed after molar pregnancy?

Call your doctor or nurse call line if you think you are having a problem with your medicine. You may have vaginal bleeding that’s similar to a period. It may last for up to 10 days. Use pads instead of tampons.

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