@article{jafarzade_mi̇hmanli_yavuz_akbaş_türkyilmaz_özkan_toplu_kaya_kaya_yildiz_et al._2025,  title={Anemia levels in the preconception period and the first trimester of pregnancy: a national, multicentric and cross-sectional study},  volume={47},  ISSN={0100-7203},  url={https://doi.org/10.61622/rbgo/2025rbgo10001},  DOI={10.61622/rbgo/2025rbgo10001},  journal={Revista Brasileira de Ginecologia e Obstetrícia},  publisher={Federação Brasileira das Sociedades de Ginecologia e Obstetrícia},  author={Jafarzade, Aytaj and Mi̇hmanli, Veli and Yavuz, And and Akbaş, Murat and Türkyilmaz, Gürcan and Özkan, Esra Nur and Toplu, Murat İbrahim and Kaya, Yücel and Kaya, Damla Yasemin Yenli̇k and Yildiz, Mustafa and Atik, Ali Emre and Kiliç, Elif İlgazi and Özata, Burcu and Çeti̇n, Sehtap Nazlı Kiliç and Bulut, Berk and Aydin, Halide Gül Okuducu and Aslanova, Lale and Emekli̇oğlu, Çağdaş Nurettin and Eren, Melike and Uçar, Elif and Uzun, Kaan Eray and Eki̇z, Osman Ufuk and Mungan, Muhittin Tamer},  year={2025},  pages={e–rbgo1001} }