Fertility and Sterility

Our results suggested that the 'freeze-all' strategy did not produce better reproductive outcomes compared with fresh embryo transfer in low responders. Reproductive outcomes may be improved by performing fresh embryo transfer, which could be explained by a more physiological endometrium or better embryo quality without injury caused by cryopreservation. These findings should be further explored …

Seminal fluid is more than a vehicle for sperm transport. It contains a complex mix of immune-regulatory cytokines that, together with other bioactive factors, influence sperm maturation and survival, and interact with female reproductive tract cells and tissues to facilitate conception and stimulate female receptivity to pregnancy. Cytokines synthesized in the seminal vesicles, prostate, and oth…