Study of biochemical markers during the first trimester of pregnancy among women of Almaty cityAruzhan Baizhumanova, Gulnar Sultanova, Gulziya Srailova, Gulnara Abdresheva and Lyailya KulmurzaevaBIO Web Conf., 100 (2024) 01007DOI: https://doi.org/10.1051/bioconf/202410001007