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Related Experiment Video

Updated: Mar 19, 2026

Three Laboratory Procedures for Assessing Different Manifestations of Impulsivity in Rats
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Pregnancy intentionality in relation to non-planning impulsivity.

Prachi Godiwala1,2, Bradley M Appelhans3, Tiffany A Moore Simas4,5

  • 1a Division of Epidemiology of Chronic Diseases and Vulnerable Populations, Department of Quantitative Health Sciences , University of Massachusetts Medical School , Worcester , MA , USA.

Journal of Psychosomatic Obstetrics and Gynaecology
|June 21, 2016
PubMed
Summary

High non-planning impulsivity is a significant risk factor for unplanned pregnancies. Interventions targeting this trait may help reduce unintended pregnancy rates.

Keywords:
Impulsivitylong-active reversible contraceptivespregnancy intention

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Area of Science:

  • Reproductive Health
  • Psychology
  • Behavioral Science

Background:

  • Unintended pregnancies affect half of all pregnancies in the US.
  • Identifying risk factors is crucial for developing effective prevention strategies.

Purpose of the Study:

  • To investigate non-planning impulsivity as a novel risk factor for unintended pregnancies.
  • To differentiate the impact of various impulsivity facets (non-planning, motor, attentional) on pregnancy intention.

Main Methods:

  • A cross-sectional study involving 116 pregnant women in their second or third trimester.
  • Impulsivity assessed using the Barratt Impulsiveness Scale (BIS-15), focusing on non-planning, motor, and attentional subscales.
  • Pregnancy intention determined by self-report regarding the attempt to conceive; logistic regression used for analysis.

Main Results:

  • 34% of pregnancies were unplanned; 32% of women exhibited high non-planning impulsivity.
  • Women with high non-planning impulsivity had 3.53 times greater odds of an unplanned pregnancy.
  • Motor and attentional impulsivity were not significantly associated with pregnancy intention.

Conclusions:

  • High non-planning impulsivity emerges as a potential risk factor for unplanned pregnancies.
  • Future research should examine interventions like long-acting reversible contraceptives or "if-then" planning for women with high non-planning impulsivity to reduce unintended pregnancy rates.