Maternal anxiety during pregnancy and adverse birth outcomes: A systematic review and meta-analysis of prospective cohort studies

Ding, Xiu-Xiu; Wu, Yi-Le; Xu, Shao-Jun; Zhu, Ruo-Ping; Jia, Xiao-Min; Zhang, Shi-Fen; Huang, Kun; Zhu, Peng; Hao, Jia-Hu; Tao, Fang-Biao