Paulus Protocol study increased pregnancy rate from 26 to 42% and supports women throughout the IVF embryo transfer. Acupuncture enhance blood flow to the uterus, the quality of the eggs, regulates hormones that affect the cycle, increases the thickness of the endometrium, modulates cytokines and immune response, helps with side-effects from the IVF drugs, relieves the stress. Ideally the patient would start having acupuncture 3 to 6 months prior to IVF.