Suwichaya Jitngamsujarit และ Sirida Pittyanont; Chanya Thamrongwuttikul. (2021) Waist Circumference at 18 weeks of gestation as a Predictor for Gestational Diabetes Mellitus in Women with Normal Pre-pregnancy Body Mass Index. <i>Thai Journal of Obstetrics and Gynaecology</i>, <i>29</i>(3), 177-184.Suwichaya Jitngamsujarit และ Sirida Pittyanont; Chanya Thamrongwuttikul. "Waist Circumference at 18 weeks of gestation as a Predictor for Gestational Diabetes Mellitus in Women with Normal Pre-pregnancy Body Mass Index". Thai Journal of Obstetrics and Gynaecology 29 (2021):177-184.Suwichaya Jitngamsujarit และ Sirida Pittyanont; Chanya Thamrongwuttikul. Waist Circumference at 18 weeks of gestation as a Predictor for Gestational Diabetes Mellitus in Women with Normal Pre-pregnancy Body Mass Index. PIMDEE Co. Ltd.:ม.ป.ท. 2021.