Reducing the risk of multiple births by transfer of two embryos after in vitro fertilization
Article Abstract:
The risk of multiple births following in vitro fertilization can be reduced by transferring only two embryos. Many women who undergo in vitro fertilization end up carrying three or more fetuses, which can result in serious problems for the fetuses. This is done because physicians want to maximize the woman's chance of becoming pregnant. However, a study of multiple births in 25,240 women who had in vitro fertilization found that there was no increase in the birth rate in women who received three embryos compared to those who received two. But women who received three or more embryos were more likely to have multiple births.
Publication Name: The New England Journal of Medicine
Subject: Health
ISSN: 0028-4793
Year: 1998
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The management of infertility
Article Abstract:
Many couples who believe they are infertile may nevertheless conceive a child if they are patient. A 1999 study found that superovulation and intrauterine insemination resulted in pregnancy within six months in one-third of the infertile women who received this treatment. However, regular sexual intercourse over a 12-month period may have led to the same result. During superovulation, drugs are used to stimulate ovulation. But this can result in multiple pregnancies with their attendant consequences. Infertility treatment simply makes the pregnancy happen sooner rather than later.
Publication Name: The New England Journal of Medicine
Subject: Health
ISSN: 0028-4793
Year: 1999
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