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In vitro fertilization is a stressful and expensive procedure with pregnancy success rates rarely reaching 40% per cycle. Given these drawbacks, adjuvant therapies that increase the proportion of pregnancies are advantageous. Investigators reviewed the published medical literature and conducted a meta-analysis of seven randomized clinical trials comparing adjuvant acupuncture (performed on the day of embryo transfer) to increase pregnancy rates with sham acupuncture or no adjuvant treatment in 1366 women. The trials were conducted between 2002 and 2006 in four Western countries.
Acupuncture was associated significantly with improved clinical pregnancy rates compared with sham or no intervention (odds ratio, 1.65), with a number needed to tre…