Abstract: Objective：To understand and analyze the situation of contraceptive use among women seeking abortions in Shanghai. Methods：The computer-assisted anonymous questionnaire was used to collect data among 1 261 women seeking abortions in 4 hospitals in Shanghai from August to October in 2013. Results：Nearly 60% of the respondents were under the age of 29 and 32.6% were unmarried. Over 50% of the respondents reported having abortion experiencｅｓ ｂｅｆｏｒｅ． Ｃｏｍｐａｒｅｄ ｗｉｔｈ ｔｈｏｓｅ ｍａｒｒｉｅｄ ｗｏｍｅｎ， ｔｈｅ ｕｎｍａｒｒｉｅｄ ｗｏｍｅｎ ｈａｄ ａ ｈｉｇｈｅｒ ｐｒｏｐｏｒｔｉｏｎ ｏｆ ｕｎｐｒｏｔｅｃｔｅｄ ｉｎｔｅｒｃｏｕｒｓｅ（４８．０％ ｖｓ． ３３．９％） ａｎｄ ａ ｌｏｗｅｒ ｐｒｏｐｏｒｔｉｏｎ ｏｆ ｃｏｎｔｒａｃｅｐｔｉｖｅ ｕｓｅ ｆａｉｌｕｒｅ（３８．６％ ｖｓ． ４７．８％）． Ｌｏｇｉｓｔｉｃ ｒｅｇｒｅｓｓｉｏｎ ａｎａｌｙｓｉｓ ｉｎｄｉｃａｔｅｄ ｔｈａｔ ｙｏｕｎｇｅｒ ｏｒ ｓｅｘｕａｌｌｙ ｉｎａｃｔｉｖｅ ｗｏｍｅｎ ｔｅｎｄｅｄ ｎｏｔ ｔｏ ｔａｋｅ ｃｏｎｔｒａｃｅｐｔｉｖｅ ｍｅａｓｕｒｅｓ ａｍｏｎｇ ｔｈｏｓｅ ｍａｒｒｉｅｄ ｒｅｓｐｏｎｄｅｎｔｓ， ａｎｄ ｔｈａｔ ｔｈｏｓｅ ｗｏｍｅｎ ｗｈｏ ｗｅｒｅ ｙｏｕｎｇ， ｕｎｍａｒｒｉｅｄ， ｗｉｔｈ ａ ｈｉｇｈｅｒ ｉｎｃｏｍｅ ｏｒ ａ ｈistory of abortion were more likely to use emergency contraception. Conclusions：Young women with high proportion of repeated abortion constituted the majority of respondents in Shanghai. Two main factors of unwanted pregnancy are the low proportion of contraceptive use and the high proportion of failure use of contraceptives. It is important to strengthen the post-abortion care services and the contraceptive education, especially to teach them how to use contraceptives, because those induced abortion women were lack of contraceptive precaution or knowledge.

Key words: Abortion, induced, Contraception, Contraceptive agents, Factor analysis, statistical