 @article{demir_cevval_kayıkçı_2026, title={Second-trimester fetal thymic-thoracic ratio in pregnancies treated with levothyroxine for elevated first-trimester TSH: a retrospective case-control study}, volume={48}, ISSN={0100-7203}, url={https://doi.org/10.61622/rbgo/2026rbgo80}, DOI={10.61622/rbgo/2026rbgo80}, journal={Revista Brasileira de Ginecologia e Obstetrícia}, publisher={Federação Brasileira das Sociedades de Ginecologia e Obstetrícia}, author={Demir, Fatma Nazlı and Cevval, Zeycan Kübra and Kayıkçı, Umutcan}, year={2026}, pages={e–rbgo80} }