Prasad, D. N., & Madhavth, B. (2021). Perinatal and maternal outcome in advanced maternal age, more than or equal to 35 years: a prospective observational study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 10(2), 696–702. https://doi.org/10.18203/2320-1770.ijrcog20210329