Dominika Pietrzyk, Gabriela Furtak, Maria Łagódka, Katarzyna Zając, Bartosz Oder, Michał Pogoda, Wiktor Daniszewski, Wiktoria Knobelsdorf, Wojciech Karchut and Maciej Ćmil 2025. THE IMPACT OF SPORTS AND PHYSICAL ACTIVITY ON THE DEVELOPMENT OF PREGNANCY AND THE POSTPARTUM PERIOD CONSIDERING THE IMPACT OF PHYSICAL AND MENTAL HEALTH IN TERMS OF POSTPARTUM DEPRESSION. International Journal of Innovative Technologies in Social Science. 6, 3(47) (Sep. 2025). DOI:https://doi.org/10.31435/ijitss.3(47).2025.3992.