Association between Periconceptional Risk Factors Exposure and Early Pregnancy Abortion: A Prospective Study Based on the Chinese Birth Cohort

ZHANG En-jie, YIN Cheng-hong, LIU Rui-xia, ZHU Hui-ping, LIU Jian-hui, XIE Shuang-hua, SU Shao-fei

Journal of International Obstetrics and Gynecology . 2026, (2): 177 -183 . DOI: 10.12280/gjfckx.20251181