Increased fetal fraction is associated with the incidence of birth weight discordance and selective fetal growth restriction:a retrospective cohort study
Renyi Hua#1,2, Yuanqing Xia#1,2, Shan Wang1,2, Jinling Sun1,2, Li Gao1,2, Yi Wu1,2, Xinrong Zhao1,2, Yanlin Wang*1,2
International Peace Maternity and Child Health Hospital of China Welfare Institution (IPMCH), Shanghai, China
School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Embryo Original Diseases
*Correspondent author: Yanlin Wang, International Peace Maternity and Child Health Hospital of China Welfare Institution, 910 Heng Shan Road, Shanghai, China, 200030; Tel: 0086-21-64070434
#Renyi Hua and Yuanqing Xia are joint first author
Keywords : twin pregnancy; Non-invasive prenatal testing; fetal fraction; selective fetal growth restriction