Vijayakrishnan, M. and Nathan, N. 2025. An ultrasound study of foetal head-perineum distance in term pregnant women to estimate successful vaginal delivery. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 15, 1 (Dec. 2025), 266–272. DOI:https://doi.org/10.18203/2320-1770.ijrcog20254292.