STOBNICKA, Dominika, IWANOWICZ-PALUS, Grażyna Jolanta, KORŻYŃSKA-PIĘTAS, Magdalena, DZIADUSZEK, Katarzyna and ŚWIST, Dorota. Pregnancy after the age of 35 as a pregnancy of high obstetric risk – the demand for education. Journal of Education, Health and Sport. Online. 6 April 2018. Vol. 8, no. 4, pp. 44-58. [Accessed 13 January 2025].