Association of pre-pregnancy body-mass-index and gestational weight gain with preterm singleton birth in women with cervical cerclage: a retrospective cohort study. - Wang, Zhaorui; Tang, Jing; Zhang, Ao; Mai, Zhuoyao; Xu, Rouhua; Zhang, Qingxue; Cao, Wulan; Guo, Yihong; Zhou, Yang; Ouyang, Nengyong; Chen, Hui (BMC Public Health, 2025)