Kiersnowska, I., Sys, D., Baranowska, B., Bączek, G., & Węgrzyn, P. (2021). Pregnancy, Childbirth and Puerperium Health Problems in Women Over 35 Years of Age . Quarterly Journal Fides Et Ratio, 47(3), 72-83. https://doi.org/10.34766/fetr.v47i3.878