PATIL, D. Evaluation of cases of spontaneous conceptions during COVID-19 outbreak and lock down: multicentric retrospective analytic study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 11, n. 3, p. 832–838, 2022. DOI: 10.18203/2320-1770.ijrcog20220565. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/11299. Acesso em: 29 dec. 2025.