CJCP     2023 25 (1):  18-24    ISSN: 1008-8830  CN: 43-1301/R Perinatal risk factors for the occurrence of singleton apparently stillborn infants YANG Min, WANG Ji-Mei Department of Neonatology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai 200011, China Received: 2022-07-22  Revised: null  Online: null Supporting info