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目的了解上海市未婚青少年非意愿妊娠状况,探讨非意愿妊娠的相关因素,为改善青少年性与生殖健康状况提供参考。方法应用计算机辅助自填问卷技术匿名收集15~24岁未婚青少年的性与生殖健康相关资料。结果性活跃青少年发生非意愿妊娠的比例为17.4%,其中男性使性伴非意愿妊娠比例为19.3%,女性非意愿妊娠的比例为13.7%。多因素分析显示,在调整了其它可能的影响因素后,男性使性伴非意愿妊娠与文化程度(与高中及以下学历者相比,大专学历OR=0.43,95%CI=0.20~0.92,本科及以上学历OR=0.34,95%CI=0.14~0.81)、多性伴(OR=1.74,95%CI=1.02~2.98)和未婚同居(OR=2.98,95%CI=1.78~4.99)有关;女性非意愿妊娠与非意愿发生首次性行为(OR=3.93,95%CI=1.57~9.89)和未婚同居(OR=4.07,95%CI=1.67~9.92)有关;在P=0.10水平上,女性非意愿妊娠同时与多性伴有关(OR=2.10)。结论应采取有效措施减少青少年多性伴、未婚同居及非意愿性行为的发生,以减少青少年非意愿妊娠,提高其生殖健康水平。
Objective To understand the status of unwed pregnancy among unmarried teenagers in Shanghai and to explore the related factors of unwanted pregnancy, so as to provide reference for improving the sexual and reproductive health of adolescents. Methods The data of sexual and reproductive health of unmarried adolescents aged 15 ~ 24 were anonymously collected by computer-aided self-administered questionnaire. The proportion of unwanted pregnancies among sexually active adolescents was 17.4%, of whom 19.3% had unwanted pregnancies, 13.7% had unwanted pregnancies. Multivariate analysis showed that after adjusting for other possible influencing factors, males made non-consensual pregnancies and education levels of males (college degree OR = 0.43, 95% CI = 0.20-0.92, and undergraduate education (OR = 1.74, 95% CI = 1.02 ~ 2.98) and unmarried cohabitation (OR = 2.98, 95% CI = 1.78 ~ 4.99) Unconcordable pregnancies were associated with first-time unintended sexual behavior (OR = 3.93, 95% CI = 1.57-9.89) and unmarried cohabitation (OR = 4.07, 95% CI = 1.67-9.92); at P = 0.10, Unwanted pregnancy was associated with multiple sexual partners (OR = 2.10). Conclusion Effective measures should be taken to reduce the incidence of adolescent sexual partners, unmarried cohabitation and involuntary sexual behaviors so as to reduce unwanted pregnancy among adolescents and improve their reproductive health.