NAIK, Y. M.; S., S.; ASHOK, K.; KEERTI. An observational study on the magnitude of vitamin D levels in first trimester of pregnancy and the outcomes. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 15, n. 7, p. 2531–2539, 2026. DOI: 10.18203/2320-1770.ijrcog20262099. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/16947. Acesso em: 27 jun. 2026.