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Molar Pregnancy: What Is It?

Molar Pregnancy: What Is It?
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Molar Pregnancy: What Is It?

Molar pregnancy, also known as ‘hydatidiform mole’, is a medical condition that occurs when an abnormal growth of tissue inside a woman’s uterus results in the development of an abnormal pregnancy. It is a rare form of gestational trophoblastic disease that may be partial or complete.

What are the Symptoms of Molar Pregnancy?

The signs and symptoms of a molar pregnancy vary depending on whether the molar pregnancy is partial or complete. Common symptoms of a molar pregnancy include:

  • Vaginal bleeding
  • Nausea and vomiting
  • Swollen abdomen
  • High blood pressure

What are the Causes of Molar Pregnancy?

The exact cause of a molar pregnancy is not known, but it often occurs as a result of genetic abnormalities. The most common cause is when two sperm fertilize the same egg, which results in 69 chromosomes instead of the usual 46. This results in the formation of an abnormal mass instead of a fetus.

Diagnosis & Treatment Options

Diagnosis of a molar pregnancy includes an ultrasound, pelvic exam, and hormone tests. Treatment typically involves removing the abnormal tissue from the uterus, as well as any residual tissue in the fallopian tubes. Medications can also be prescribed to help with any hormonal imbalances.

In some cases, a doctor may recommend a hysterectomy if the molar pregnancy has spread. In this scenario, the entire uterus would be removed to prevent further complications and the spread of the abnormal tissue.


Although it’s not always possible to prevent a molar pregnancy, there are steps women can take to reduce their risk. For example, getting regular check-ups and making sure any necessary medical treatments are up to date. Women may also want to take a prenatal supplement to reduce the risk of chromosomal abnormalities.

Molar pregnancy is a rare but serious condition that can cause complications if left untreated. While it can’t always be prevented, women can reduce their risk by taking steps to ensure their reproductive health is as optimal as possible.

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