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Choosing a baby to abort

 
When carrying multiples, is aborting one of the babies ever beneficial?
By Lynne Peeples

Pic: Shutterstock

Article originally in Reuters

The fewer babies a pregnant woman carries, the more likely she is to bring a healthy one home from the hospital, suggests a new study.

The findings may prompt a woman bearing identical twins plus one or more additional foetuses, a relatively common scenario after in vitro fertilization (IVF), to consider removing the risky twin pair in order to save the solo siblings, researchers say.

"Singletons are always our goal," lead researcher Dr. Alan Copperman told Reuters Health. "We know that twins do better than triplets, and we know that singletons do better than twins."

Due to the embryo split that defines identical twins, he explained, one of the pair may receive less blood flow than its brother or sister. This can lead to a greater chance of premature delivery, developmental abnormalities and even death. Add another foetus, and there is even less to go around and more chances for problems.

While earlier studies have tracked the rate of identical twins from pregnancies after assisted reproduction to more than double that of natural conceptions, information on outcomes has been lacking. "We were too often forced to rely on anecdotal experience in making recommendations to our patients," noted Copperman.

This inspired he and colleagues to delve into a dataset of nearly 3,500 pregnancies conceived by IVF between 2002 and 2008. About 72 of the pregnancies included identical twins, and about half of these women carried at least one additional foetus.

In almost a third of the pregnancies, identical twins were completely aborted by the woman's body. Another 4% were naturally reduced to just one foetus.

Babies born to women who underwent natural or surgical reductions had significantly longer gestation, greater birth weights and lower risks of stillbirth than babies who survived after sharing the womb with multiple other foetuses, the researchers report in the journal Fertility and Sterility.

"It's not something to be taken lightly," Copperman said. "Reduced pregnancies may do extremely well, but that doesn't mean people can't have healthy twins or even triplets. It should all be part of the dialogue between patient and physician."

Would you consider aborting a foetus if it meant your other babies would be healthier? Share with us below.

Read more on: pregnant  |  abortion  |  foetus
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