SPYCHALSKA, Julita. The influence of physical activity, specialized exercises and diet on pregnancy and delivery according to pregnant women attending a childbirth school. Journal of Education, Health and Sport, [S. l.], v. 11, n. 12, p. 89–138, 2021. DOI: 10.12775/JEHS.2021.11.12.008. Disponível em: https://apcz.umk.pl/JEHS/article/view/36479. Acesso em: 6 feb. 2026.