Singh, M. and Bharti, S. 2025. A study of the changes in pelvic floor biometry in pregnancy by trans labial ultrasonography: cross sectional observational analytical study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 14, 10 (Sep. 2025), 3341–3347. DOI:https://doi.org/10.18203/2320-1770.ijrcog20253073.