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Psychosocial Determinants of Mistimed and Unwanted Pregnancy: The Hamamatsu Birth Cohort (HBC) Study

Abstract  

The terms mistimed pregnancy (MP) and unwanted pregnancy (UWP) refer to a woman’s intentions regarding childbearing. Determinants
for each type of pregnancy have not been well understood. The present study aims to investigate whether MP and UWP have different
sets of psychosocial determinants compared to intended pregnancy, with a particular emphasis on any difference in the history
of maternal psychiatric diagnosis. Using an ongoing birth cohort study, we consecutively enrolled parturients who were at
mid-pregnancy (n = 780) and were expected to give birth at either of our two research sites. MP and UWP were defined according
to previous studies. To avoid multiple testing, we adopted multinomial logistic regression to estimate the independent contribution
of the determinants while simultaneously allowing for other variables. The dependent variable in the model had three classes:
Intended pregnancy, MP and UWP. Determinants of MP included younger age (<25 years: OR = 2.6), currently working (OR = 1.6),
and history of major depression (OR = 2.0). Determinants for UWP were multiparity (OR = 3.9), short (≤12 years, OR = 1.7)
and long period of education (≥17 years, OR = 3.3), history of anxiety disorder (OR = 2.5), currently working (OR = 0.6) and
high income (≥8 million JPY, OR = 0.4). Different sets of psychosocial determinants contribute to formulate MP and UWP. A
history of mental illness plays a role in predicting pregnancy intention.

  • Content Type Journal Article
  • Pages 1-9
  • DOI 10.1007/s10995-011-0881-y
  • Authors
    • Shun Takahashi, Department of Child Development, United Graduate School of Child Development at Hamamatsu, Hamamatsu, 431-3192 Japan
    • Kenji J. Tsuchiya, Department of Child Development, United Graduate School of Child Development at Hamamatsu, Hamamatsu, 431-3192 Japan
    • Kaori Matsumoto, Research Center for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan
    • Katsuaki Suzuki, Department of Child Development, United Graduate School of Child Development at Hamamatsu, Hamamatsu, 431-3192 Japan
    • Norio Mori, Research Center for Child Mental Development, Hamamatsu University School of Medicine, Hamamatsu, Japan
    • Nori Takei, Department of Child Development, United Graduate School of Child Development at Hamamatsu, Hamamatsu, 431-3192 Japan
    • The HBC Study Team
    • Journal Maternal and Child Health Journal
    • Online ISSN 1573-6628
    • Print ISSN 1092-7875
Posted in: Journal Article Abstracts on 09/20/2011 | Link to this post on IFP |
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