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More IVF Attempts May Increase Chances of Success, Especially in Older Women

Reuters,  Feb 21, 2011

Australian researchers say couples trying to get pregnant through in vitro fertilization (IVF) could increase their chances of success if they just keep trying. Data from the study of several fertility clinics in Western Australia showed that between 1993 and 2002, half of more than 5,000 women who started IVF treatment went through two or fewer cycles. The chances of giving birth to a live baby as a result of IVF were 58 percent for women in their 20s, but only 22 percent for women aged 40 to 44. Based on calculations, the researchers estimate that upping the number of IVF cycles would boost success rates — at least up until five attempts — and suggest that IVF has the potential to be more effective if women, especially those over 35, are able to undertake more than the usual two to three cycles

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