160 patients were divided into two groups, one that received acupuncture before and after embryo transfer and the other did not.

The clinical outcomes documented 42.5% patients in the acupuncture group became pregnant verses the 26.3% of patients in the non acupuncture group. With the conclusion that acupuncture is a useful tool for improving pregnancy rates after assisted reproductive therapies.

Paulus W, et al. Influence of acupuncture on the pregnancy rate in patients who undergo assisted reproduction therapy. Fertility and Sterility April 2002;77(4):721-4.