Dr. Eyasu Mesfin, et al. “Effect of Trigger-Day Serum Progesterone Level on Clinical Pregnancy in Fresh N Vitro Fertilization (IVF) Cycles: A Retrospective Chart Review. : The Impact of Late Follicular Phase Progesterone Level on Pregnancy Outcomes in Fresh IVF Cycles ”. Ethiopian Journal of Reproductive Health, vol. 18, no. 04, Oct. 2026, doi:10.69614/ejrh.v18i04.1226.