Your question: What is the reason for molar pregnancy?

What causes a molar pregnancy? Molar pregnancies result when specific genetic errors occur during the fertilization of an egg by a sperm. In a healthy pregnancy, a placenta forms to nourish the growing embryo. With a molar pregnancy, instead of a placenta, a tumor forms inside the uterus.

Why does a molar pregnancy happen?

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).

Who is at risk for molar pregnancy?

A molar pregnancy is more likely in women older than age 35 or younger than age 20. Previous molar pregnancy. If you’ve had one molar pregnancy, you’re more likely to have another. A repeat molar pregnancy happens, on average, in 1 out of every 100 women.

Is a molar pregnancy a baby?

Complete molar pregnancies have only placental parts (there is no baby) and form when the sperm fertilizes an empty egg. Because the egg is empty, no baby is formed. The placenta grows and produces the pregnancy hormone, hCG. Unfortunately, an ultrasound will show that there is no fetus, only a placenta.

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Can a baby survive a molar pregnancy?

A molar pregnancy is when there’s a problem with a fertilised egg, which means a baby and a placenta do not develop the way they should after conception. A molar pregnancy will not be able to survive. It happens by chance and is very rare.

How do you prevent a molar pregnancy?

There is no way to prevent a molar pregnancy. If you have had a previous molar pregnancy, you can reduce your likelihood of complications by avoiding another pregnancy for one year after your initial molar pregnancy.

Does molar pregnancy cause infertility?

A: Yes, a molar pregnancy will not normally cause infertility or lead to complications with future pregnancies. The chances of another molar pregnancy is increased, but is still only around 1-2 percent.

Is a molar pregnancy painful?

Tissues in a molar pregnancy grow faster than they should, especially in the second trimester. Your stomach may look too large for that early stage in pregnancy. The fast growth can also cause pressure and pain.

When do you get your period after a molar pregnancy?

Due to the high levels of a hormone called hCG in molar pregnancies, persistent trophoblastic disease and choriocarcinoma, your monthly periods stop. After a D and C for molar pregnancy the hCG levels usually fall, and once the level goes back to normal your periods will start again.

What is molar pregnancy miscarriage?

A molar pregnancy, also called a hydatidiform mole, is one where an abnormal fertilised egg implants in the uterus (womb). The cells that should become the placenta grow far too quickly and take over the space where the embryo would normally develop.

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Does molar pregnancy cause bleeding?

Vaginal bleeding

Women with a molar pregnancy are more likely to pass blood clots or have a watery brown vaginal discharge. Some women pass pieces of the molar tissue, which can look a bit like small bunches of grapes. Bleeding caused by a molar pregnancy usually begins between weeks 6 and 12 of pregnancy.