The interaction between no folic acid supplementation during early pregnancy and preeclampsia increased the risk of preterm birth

From the Department of Neonatology (Zhang, Jiang), Affiliated Hospital of Qingdao University, Qingdao; from the Department of Neonatology (Chen), Children’s Hospital of Fudan University; from the Division of Neonatology (Lu), Gynecology and Obstetrics Hospital of Fudan University, Shanghai; from the Department of Neonatology (Sun), The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou; from the Department of Neonatology (Cui), First Affiliated Hospital Nanjing Medical University, Nanjing, Chin.

From the Department of Neonatology (Zhang, Jiang), Affiliated Hospital of Qingdao University, Qingdao; from the Department of Neonatology (Chen), Children’s Hospital of Fudan University; from the Division of Neonatology (Lu), Gynecology and Obstetrics Hospital of Fudan University, Shanghai; from the Department of Neonatology (Sun), The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou; from the Department of Neonatology (Cui), First Affiliated Hospital Nanjing Medical University, Nanjing, Chin.

From the Department of Neonatology (Zhang, Jiang), Affiliated Hospital of Qingdao University, Qingdao; from the Department of Neonatology (Chen), Children’s Hospital of Fudan University; from the Division of Neonatology (Lu), Gynecology and Obstetrics Hospital of Fudan University, Shanghai; from the Department of Neonatology (Sun), The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou; from the Department of Neonatology (Cui), First Affiliated Hospital Nanjing Medical University, Nanjing, Chin.

From the Department of Neonatology (Zhang, Jiang), Affiliated Hospital of Qingdao University, Qingdao; from the Department of Neonatology (Chen), Children’s Hospital of Fudan University; from the Division of Neonatology (Lu), Gynecology and Obstetrics Hospital of Fudan University, Shanghai; from the Department of Neonatology (Sun), The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou; from the Department of Neonatology (Cui), First Affiliated Hospital Nanjing Medical University, Nanjing, Chin.

From the Department of Neonatology (Zhang, Jiang), Affiliated Hospital of Qingdao University, Qingdao; from the Department of Neonatology (Chen), Children’s Hospital of Fudan University; from the Division of Neonatology (Lu), Gynecology and Obstetrics Hospital of Fudan University, Shanghai; from the Department of Neonatology (Sun), The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou; from the Department of Neonatology (Cui), First Affiliated Hospital Nanjing Medical University, Nanjing, Chin.

From the Department of Neonatology (Zhang, Jiang), Affiliated Hospital of Qingdao University, Qingdao; from the Department of Neonatology (Chen), Children’s Hospital of Fudan University; from the Division of Neonatology (Lu), Gynecology and Obstetrics Hospital of Fudan University, Shanghai; from the Department of Neonatology (Sun), The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou; from the Department of Neonatology (Cui), First Affiliated Hospital Nanjing Medical University, Nanjing, Chin.