Short interpregnancy interval associated with preterm birth in U S adolescents.
Short interpregnancy interval associated with preterm birth in U S adolescents.
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DOI：
10.1007/s10995-014-1583-z
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发表时间：
2015-04
影响因子：
2.3
通讯作者：
Barfield WD
中科院分区：
文献类型：
--
作者：
Nerlander LM;Callaghan WM;Smith RA;Barfield WD
较短的妊娠间隔（IPI）是育龄妇女早产的危险因素。由于有关青少年的数据有限，我们旨在研究大多数美国出生的青少年中短期 IPI 与早产之间的关联。使用 2007-2008 年美国出生数据，我们评估了 <3、3-5、6-11 和 12-17 个月的 IPI 与 <20 岁母亲中中度（32-36 周）和极早（<32 周）早产单胎活产之间的关系，相对于 18-23 个月的 IPI。根据母亲种族、年龄、既往早产、婚姻状况、吸烟和产前护理调整后的比值比 (aOR) 和 95% 置信区间 (95% CI) 通过多变量多项 Logistic 回归模型确定。 2007-2008年，年龄<20岁、以前曾生育过一次的妇女生育了85,077名单胎活产婴儿，其中69%的婴儿出生时间为226518个月。与 18-23 个月的 IPI 相比，短 IPI 与中度早产相关：IPI <3 个月（aOR 1.89，95% CI 1.70-2.10）、3-5 个月（aOR 1.33，95% CI 1.22-1.47）和 6-12 个月（aOR 1.11，95% CI） 1.02–1.21）。 IPI <3 个月和 <6 个月也与极早产相关，aOR 分别为 2.52 (95% CI 1.98–3.22) 和 1.68 (95% CI 1.35–2.10)。许多重复生育的青春期母亲的 IPI 较短，而较短的 IPI 与早产呈剂量依赖性相关。增加青少年母亲产后有效避孕措施的使用可以解决青少年意外分娩和早产问题。
A short interpregnancy interval (IPI) is a risk factor for preterm delivery among women of reproductive age. As limited data exist concerning adolescents, we aimed to examine the association between short IPIs and preterm birth among adolescents using a majority of US births. Using 2007s2008 US natality data, we assessed the relationship between IPIs <3, 3–5, 6–11, and 12–17 months and moderately (32–36 weeks) and very (<32 weeks) preterm singleton live births among mothers <20 years, relative to IPIs 18–23 months. Adjusted odds ratios (aORs) and 95 % confidence intervals (95 % CIs) adjusted for maternal race, age, previous preterm deliveries, marital status, smoking and prenatal care were determined from a multivariable multinomial logistic regression model. In 2007–2008, there were 85,077 singleton live births to women aged <20 who had one previous live birth, 69 % of which followed IPIs 226518 months. Compared with IPIs 18–23 months, short IPIs were associated with moderately preterm birth for IPIs <3 months (aOR 1.89, 95 % CI 1.70–2.10), 3–5 months (aOR 1.33, 95 % CI 1.22–1.47), and 6–12 months (aOR 1.11, 95 % CI 1.02–1.21). IPIs <3 and <6 months were also associated with very preterm birth, with aORs of 2.52 (95 % CI 1.98–3.22) and 1.68 (95 % CI 1.35–2.10) respectively. Many adolescent mothers with repeat births have short IPIs, and shorter IPIs are associated with preterm birth in a dosedependent fashion. Increasing adolescent mothers’ use of effective contraception postpartum can address both unintended adolescent births and preterm birth.
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