Dynamic Measures of Pregnancy Intentions and Subsequent Pregnancy

描述（由申请人提供）：更好地了解怀孕的愿望是减少意外怀孕的关键。目前最先进的概念化和测量怀孕的愿望遭受严重的限制，大大削弱了我们的能力，了解怀孕的愿望和随后的怀孕的过程。 拟议的项目包括至少三个主要创新：（1）十三个详细和细致入微的怀孕愿望的措施;（2）在观察期间的所有关系（包括短暂和/或不稳定的关系）的合作伙伴的怀孕愿望的感知措施;（3）怀孕愿望的所有方面的每周措施，代表这些愿望的动态。 我们建议通过以下四个具体目标来改善怀孕意愿的概念化、测量和理解：1.研究怀孕欲望的测量特性2.分析对伴侣怀孕意愿的感知的作用3.描述和预测怀孕欲望的动力学4.估计动态怀孕意愿对后续怀孕的影响我们建议使用关系动态和社会生活（RDSL）研究的独特数据集。RDSL首先对1,003名18岁和19岁的女性进行了面对面的基线调查。在接下来的2.5年里，这些女性每周更新一次关于她们怀孕的愿望以及怀孕经历、关系、避孕药具使用和相关态度的信息。在2012年2月结束的2.5年研究期间，年轻女性报告了233例怀孕。这里提出的分析不是原始RDSL提案的一部分。

DESCRIPTION (provided by applicant): A better understanding of pregnancy desires is critical for reducing unintended pregnancy. Current state-of- the-art conceptualization and measurement of pregnancy desires suffer from serious limitations that dramatically undermine our ability to understand the processes that link pregnancy desires and subsequent pregnancy. The proposed project includes at least three major innovations: (1) thirteen detailed and nuanced measures of pregnancy desire; (2) measures of perceptions of partners' pregnancy desires across all relationships in the period of observation (including short-lived and/or unstable relationships); (3) weekly measures of all aspects of pregnancy desire, representing the dynamics in these desires. We propose to improve conceptualization, measurement, and understanding of pregnancy desires via four specific aims: 1. Investigate the Measurement Properties of Pregnancy Desires 2. Analyze the Role of Perceptions of Partners' Pregnancy Desires 3. Describe and Predict the Dynamics of Pregnancy Desires 4. Estimate the Influence of Dynamic Pregnancy Desires on Subsequent Pregnancy We propose to use a unique dataset from the Relationship Dynamics and Social Life (RDSL) study. RDSL began with a face-to-face baseline survey of 1,003 18- and 19-year-old women. Over the next 2.5 years, these women provided weekly updates about their desires for pregnancy and about experiences with pregnancy, relationships, contraceptive use, and related attitudes. Over the 2.5-year study period, which ended in February, 2012, the young women reported 233 pregnancies. The analyses proposed here were not part of the original RDSL proposal.