Researchers at UC San Francisco are beginning to look at a wealth of pregnancy risk factors–from possible environmental exposures to baseline ethnic differences.
In a recent article in Reproductive Bio Medicine Online, they found that Asian-American women might actually have fewer pregnancies following intrauterine insemination (IUI) than their Caucasian counterparts.
The study followed up on a prior study by the same group of researchers that showed Asian-American woman had almost one-third fewer pregnancies and live births after in-vitro fertilization (IVF) as well (the more complicated procedure of the two).
The group lists several hypotheses in their paper, including possible differences in environmental exposures (although this may be more difficult to believe if all women–Caucasian and Asian-American–were sampled from the same city); differences in herbs, supplements and other home remedies women may have tried before coming to the infertility clinic; and basic (yet probably not yet understood) differences in biology between two different ethnic groups.
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