Seçkin, Berna, Gülnur Özakşit, Gül Biteker, Kutlugül Yüksel, and Eda Ayarcan. 2011. “Maternal Body Mass Index and the Course of the Labor”. Gynecology Obstetrics &Amp; Reproductive Medicine 17 (1). Ankara, TR:12-15. https://gorm.com.tr/index.php/GORM/article/view/279.