Effect of Adding Sildenafil to Clomiphene Citrate Versus Clomiphene Citrate Alone on Endometrial Receptivity in un Ovulatory PCO Patients

L-Carnitine and Clomiphene Citrate for induction of ovulation in women with Polycystic Ovary Syndrome : Randomized controlled trial

Effect of Sildenafil Citrate on the Outcome of in vitro Fertilization after Multiple IVF Failures Attributed to Poor Endometrial Development: A Randomized Controlled Trial

Effect of Sildenafil Citrate on Success Rate of Ovulation Induction by Clomiphene Citrate

Effective of Sildenafil Citrate on Pregnancy Outcome in infertile women undergoing induction of ovulation by Letrzole and Clomiphene Citrate

Combined letrozole with clomiphene citrate versus letrozole only in induction of ovulation in polycystic ovary syndrome patients (A Randomized controlled trial)

A romatase enzyme inhibitor versus gonadotropin for induction of ovulation in patients with polycystic ovary syndrome resistant to clomiphene citrate a randomized controlled trial

A Randomized Trial of Combined Letrozole with Metformin Versus Clomiphene Citrate with Metformin in Polycystic Ovary (PCOS) patients

A Comparative Study Between Clomiphene Citrate and Tamoxifen for induction of Ovulation in Women Complaining of Polycystic Ovary Syndrome

Effect of Sildenafil Citrate on Uterine Artery Blood Flow in Patients with Unexplained Recurrent Miscarriages: A Randomized Clinical Trial