Gupta, Pratiksha, and Chandana Shekhar. 2016. “To Study the Correlation of Mid-Cycle Luteinizing Hormone Surge, Endometrial Thickness and Blood Flow With Histopathological Finding of Premenstrual Endometrial Biopsy in Patient Undergoing Evaluation for Infertility”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 5 (4):1145-51. https://doi.org/10.18203/2320-1770.ijrcog20160874.