Sildenafil Citrate for Endometrial Preparation in Frozen-thawed Embryo Transfer Cycles
Sildenafil Citrate for Endometrial Preparation in Frozen-thawed Embryo Transfer Cycles
Comparison between usage of Sildenafil citrate with estradiol valerate or estradiol valerate alone in endometrial preparation and outcome of frozen-thawed embryo transfer cycles.
Inclusion Criteria:
Exclusion Criteria: