Author Topic: The Abortion Pill Does Not Affect Future Pregnancies  (Read 676 times)

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The Abortion Pill Does Not Affect Future Pregnancies
« on: August 20, 2007, 03:54:47 AM »
The Abortion Pill Does Not Affect Future Pregnancies - The same effect as in the case of surgical abortions
By: Stefan Anitei, Science Editor - Softpedia



This drug induced a new sexual revolution. Mifepristone meant total sexual freedom as it was the solution after an "accidental" night of free sex. But some women expressed concerns, as the secondary effects of the chemical have not been investigated.

A new research shows that women using abortion pills rather than the more common surgical method do not present a higher risk of tubal pregnancy or miscarriage in later pregnancies. The investigation was made on about 12,000 Danish women and is the first monitoring mifespristone's effects on subsequent pregnancies.

Surgical abortions are most commonly done by vacuuming an embryo or fetus out, employing a syringe or electric pump. The abortion pill method means that the pregnant woman will take one tablet of mifespristone followed by four misoprostol pills 1-2 days later. The mifepristone detaches the embryo from the uterus, and the misoprostol induces uterine movements that eliminate the embryo.

Medical abortions are preferred by women because they can be effectuated in private at home, the method is not as invasive as a surgery is, and most doctors can prescribe the pills. In the U.S., mifepristone was approved in 2000, and in the EU just in 2007. Now, up to 10 % of the about 1.3 million annual abortions in the US are done using mifepristone.

Previous studies have proven that surgical abortions don’t increase the risk of eventual problems in later pregnancies, but the impact of mifepristone was not known. "Generally, surgical abortions completely remove an embryo or fetus and surrounding uterine tissue, but abortions done with pills may leave bits of placenta or other embryonic material. Some doctors have wondered whether that might interfere with subsequent pregnancies," said Dr. Matthew Reeves, a reproductive medicine expert at the University of Pittsburgh School of Medicine, not involved in this research.

The research team employed a national abortion registry to detect all women in Denmark who aborted between 1999 and 2004, and gathered data on later pregnancies from national patient and birth registries. Why Denmark? "Denmark is the only country with an abortion registry," said co-author Dr. Jun "Jim" Zhang of the National Institutes of Health.

The team focused on tubal pregnancies, in which a fertilized egg fixes outside the uterus, most commonly in the fallopian tubes, a dangerous situation as the embryo cannot be fed and the mother's life is put in danger.

The researchers discovered that tubal pregnancies took place at the same rate, about 2.5 %, in both the medical and surgical groups. The percentages of miscarriage, early deliveries and low-birth-weight babies were found to be comparable. The study could not take into account factors like the mother’s history of smoking, previous tubal pregnancies or others, not marked in the registers, but researchers think this did not change the final results.

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