Objective To study the status of spontaneous abortion among reproductive wowen aged 20~44 years in Nanchang areas.Methods A cross-sectional survey was conducted on reproductive history of women and the sample was chosen with multistage cluster random sampling technique.Results A total of 5 468 women aged from 20 to 44 years-old in Nanchang were studied with a total of 10 098 pregnancies.There were 396 spontaneous abortion with an incidence rate of 6.04%.The occurrence of spontaneous abortion inreased with the increase of pregnancy and the age of first pregnancy.Conclusion The occurrence of spontaneous abortion increased with the increase of pregnancies.The focus time of spontaneous abortion is 5~10 years after marriage.Occupation is a risk factor of spontaneous abortion.Compared with the historical data there is an upward trend of spontaneous abortion in Nanchang.