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Abstract Objective: To observe the effect of intrauterine device (IUD) insertion immediately after induced abortion among women who experienced cesarean section within one year. Methods: A total of 410 women seeking for induced abortion were divided into three groups according to the history of cesarean section and the operation time, in which 132 women in group A underwent cesarean section less than one year, 97 in group B had scarred uterus more than 1 years, and 181 women in group C had no history of cesarean section. The incidence of side effects and contraceptive effects were compared among three groups. Results: There was no significant difference in the incidence of side effects 1, 3, 6, 12 months after IUD insertion among three groups (P>0.05). No amenorrhea and intrauterine adhesion were found. The removal rates of three groups were highest (2.31 per 100 woman-years, 3.16 per 100 woman-years, and 2.27 per 100 woman-years, respectively) within 6 months after IUD insertion, while there was no significant difference among three groups (P>0.05). No pregnancy with IUD in situ was found in three groups. The IUD expulsion was found in one women. The cumulative continuation rate within 12 months were 94.49 per 100 woman-years in group A, 94.62 per 100 woman-years in group B and 95.40 per 100 woman-years in group C, showing no significant differences (P>0.05). Conclusion: IUD insertion immediately after induced abortion could be safe and feasible among women experiencing cesarean section within one year.
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