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As in vitro fertilization (IVF) becomes more common, clinicians are attempting to identify the factors that affect outcomes. Now, two separate retrospective analyses provide further insight into the effects of race and body weight.
In the first study, investigators analyzed data from 139,000 IVF cycles reported in the U.S. to examine the effects of race on outcomes; for all comparisons, white women constituted the reference group. Asian and black women who underwent IVF were more likely to be older, and Latina women were more likely to be younger. Black women were less likely to have endometriosis, polycystic ovary syndrome, and unexplained factors and were more likely to have tubal or uterine factors. Latina women were more likely to have t…