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2004 APR 1 - (NewsRx.com & NewsRx.net) -- Thanks to major advances in reproductive medicine, there are rapidly diminishing reasons for women undergoing in vitro fertilization (IVF) treatments to chance having twins or triplets instead of lower-risk single babies, according to a study to be published in the March edition of Fertility and Sterility.
The results of the study raise questions about the need for transferring several fertilized human eggs at a time. Multiple transfers have been standard practice for years to enhance the chances of a successful pregnancy. However, multiple transfers create multiple-order births and a subsequent increased in risk of serious complications - risks that may be unnecessary, according to the study.
In a clinical trial involving 48 Colorado Center for Reproductive Medicine (CCRM) patients ages 26 to 43, physicians found that when they transferred a single 5-day-old human embryo into each of 23 patients, 14 became pregnant ...