Prophylactic treatment for preeclampsia in high-risk teenage primigravidae with nitric oxide donors: a pilot study Revisiting the management of recurrent implantation failure through freeze-all policy Relationship between sperm progressive motility and DNA integrity in fertile and infertile men Is short course treatment with Metformin and Clomiphene citrate better than long course for induction of ovulation in women with PCOS? Carbetocin versus Oxytocin in Decreasing Blood Loss at Caesarean Section Supplementation with L-Carnitine Improves Uterine Receptivity in Women with Prior Implantation Failure during frozen Embryos Transfer: A double-blinded, randomized, placebo-controlled clinical trial Insulin Resistance, Obesity and Hypovitaminosis D adversely affect Pregnancy Outcome: Can Supplemental Vitamin D cut this risk?