摘要
Summary What is already known on this topic?Neural tube defects can be effectively prevented by folic acid supplementation.However,compliance with the recommendations for supplementation is still low in China.What is added by this report?This study investigated the rate of correct use of folic acid supplementation and its risk factors among pregnant women in Beijing.
基金
The National Natural Science Foundation of China(No.81973056,and 81673177).
