Multiple Unintended Pregnancies in U.S. Women: A Systematic Review.
Multiple Unintended Pregnancies in U.S. Women: A Systematic Review.
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DOI：
10.1016/j.whi.2017.02.002
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发表时间：
2017-07
期刊：
影响因子：
--
通讯作者：
Taylor D
中科院分区：
文献类型：
--
作者：
Aztlan-James EA;McLemore M;Taylor D
每年，美国近一半的怀孕都是意外的。对意外怀孕的风险因素进行了研究，但没有注意怀孕是否是妇女的第一次意外怀孕，或者她是否有一个以上的意外怀孕。关于多胎意外妊娠的患病率、发生率和危险因素知之甚少。本文的目的是对美国女性多胎意外妊娠的危险因素的现有文献进行系统综述，以及这些因素是否是多胎意外妊娠的特异性因素。在PubMed、PsychInfo、CINAHL、Web of Science和JSTOR数据库中检索1979年以后在美国进行的实证研究，主要结果是多个意外怀孕。排除未确定研究妊娠意向的文章。确定了7项研究。对于多次意外怀孕，发生率范围为每100人年7.4至30.9例，患病率范围为17%至31.6%。年龄较大;被认为是黑人或西班牙裔;非自愿的第一次性交，特别是在年轻的时候;性交易参与;和以前的堕胎被发现与多个意外怀孕有关。使用宫内节育器或联合口服避孕药被发现可以降低多次意外怀孕的风险。这篇综述提出了一些可改变的因素，可用于更好地预测和管理多个意外怀孕。
Each year, nearly half of all pregnancies in the United States are unintended. Risk factors of unintended pregnancy have been studied without attention to whether the pregnancy was the woman’s first unintended pregnancy or whether she had had more than one. Little is known about the prevalence, incidence, and risk factors for multiple unintended pregnancies. The purpose of this paper is to present a systematic review of the extant literature on the risk factors for multiple unintended pregnancies in women in the United States, and whether these factors are specific to multiple unintended pregnancies. PubMed, PsychInfo, CINAHL, Web of Science and JSTOR databases were searched for empirical research studies performed after 1979, in the U.S., with a primary outcome of multiple unintended pregnancies. Articles that did not establish the intendedness of the studied pregnancies were excluded. Seven studies were identified. For multiple unintended pregnancies, incidence rates ranged from 7.4 to 30.9 per 100 person-years and prevalence rates ranged from 17% to 31.6%. Greater age; identifying as Black or Hispanic; non-voluntary first intercourse, particularly at a young age; sex trade involvement; and previous abortion were found to be associated with multiple unintended pregnancies. Use of IUDs or combined oral contraceptives were found to decrease risk of multiple unintended pregnancies. This review suggests a small number of modifiable factors that may be used to better predict and manage multiple unintended pregnancies.
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