Li Lei

Epididymal Versus Testicular Sperm for ICSI in Obstructive Azoospermia: Embryological, Clinical, and Neonatal Outcomes in a Retrospective Cohort

BACKGROUND: Whether sperm source influences intracytoplasmic sperm injection (ICSI) outcomes in men with obstructive azoospermia (OA) remains uncertain. OBJECTIVE: To compare embryological, clinical, and neonatal outcomes of ICSI using percutaneous epididymal sperm aspiration (PE...

Comparison of Birth Weight Outcomes Between Donor Sperm and Partner Sperm in Fresh Embryo Transfer Cycles: A Single‐Center Clinical Cohort Study

ABSTRACT Background Previous studies have found no significant difference in birth weight between donor sperm and partner sperm, and some studies have found that donor sperm is more likely to lead to small for gestational age (SGA). Objective Does the use of donor sperm affect th...