OBJECTIVES To explore the association between changes in personal circumstances and shifts in pregnancy intentions. STUDY DESIGN New start contraceptive clients, who desired to prevent pregnancy for at least one year enrolled in the survey arm of the HER Salt Lake Contraceptive Initiative (September 2015 -March 2017) and responded to the question "What are your future pregnancy plans?" at enrollment and 12-month follow-up. We estimated multivariable binary logistic fixed-effects regressions to examine the association between changes in personal circumstances and a change from never desiring a pregnancy at enrollment to considering one in the future at 12-month follow-up. RESULTS The majority of the 2825 participants (2246, 79%) maintained their pregnancy timing intention over the 12-month study period. Multivariable analyses of the 208 participants who changed from never desiring a pregnancy to considering pregnancy in the future at 12-month follow-up indicated that entering cohabitation (aOR 3.14, 95% CI 1.30-7.58), increased household income (aOR 1.06, 95% CI 1.00-1.13), and changes from unemployment to full-time employment (aOR 5.94, 95% CI 1.29-27.36) are associated with increased the odds of desiring a future pregnancy after never wanting one a year prior. CONCLUSIONS Pregnancy intentions are dynamic over twelve months and covary with partner status, household income, and employment status. Pregnancy intentions are linked to changes in life circumstances. Health care providers need to frequently assess pregnancy intentions and resulting contraceptive or preconception needs.

中文翻译：

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改变生活，动态计划：使用 HER 盐湖城的数据对怀孕时间意图和个人情况的 12 个月变化进行前瞻性评估。


目的 探讨个人环境变化与怀孕意愿转变之间的关联。研究设计希望避孕至少一年的新开始避孕客户参加了 HER 盐湖避孕计划的调查部门（2015 年 9 月至 2017 年 3 月），并回答了“您未来的怀孕计划是什​​么？”的问题。入组和 12 个月随访时。我们估计了多变量二元 Logistic 固定效应回归，以检验个人情况的变化与从入组时从不希望怀孕到在 12 个月的随访时考虑将来怀孕的变化之间的关联。结果 在 12 个月的研究期间，2825 名参与者中的大多数（2246 名，79%）保持了他们的怀孕时间意图。对 208 名在 12 个月的随访中从从未想过怀孕变为考虑未来怀孕的参与者进行的多变量分析表明，同居（aOR 3.14，95% CI 1.30-7.58）会增加家庭收入（aOR 1.06，95） % CI 1.00-1.13），以及从失业到全职工作的转变（aOR 5.94，95% CI 1.29-27.36）与一年前从未想要怀孕的未来怀孕可能性的增加有关。结论 怀孕意愿在十二个月内是动态的，并与伴侣状况、家庭收入和就业状况相关。怀孕意愿与生活环境的变化有关。卫生保健提供者需要经常评估怀孕意图以及由此产生的避孕或孕前需求。