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Author Spotlight: Enhancing the Offspring Health in Rats with Maternal Exercise During Pregnancy
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Physical Activity Changes during Pregnancy in a Comparative Impact Trial.

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Neither home visiting curriculum effectively increased physical activity in pregnant women. Moderate-to-vigorous physical activity (MVPA) declined significantly by gestational month 8, highlighting a public health concern.

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Area of Science:

  • Public Health
  • Maternal Health
  • Health Behavior Interventions

Background:

  • Physical activity during pregnancy offers numerous health benefits for both mother and infant.
  • Maintaining adequate physical activity levels throughout gestation is crucial but often challenging for pregnant women.
  • Rural, southern African-American women face unique barriers to achieving recommended physical activity levels.

Purpose of the Study:

  • To evaluate the impact of two home visiting curricula on physical activity in pregnant women.
  • To determine if "Parents as Teachers" (control) or "Parents as Teachers Enhanced" interventions could increase or maintain moderate-to-vigorous physical activity (MVPA).
  • To assess physical activity changes during the gestational period.

Main Methods:

  • Eighty-two pregnant women were enrolled early in their second trimester and randomized into two groups.
  • Self-reported physical activity was measured at gestational months 4, 6, and 8.
  • Generalized linear mixed models analyzed weekly minutes of MVPA for treatment, time, and interaction effects.

Main Results:

  • A significant decrease in MVPA was observed from gestational month 4 to month 8 across both groups.
  • No statistically significant differences in MVPA were found between the two treatment arms.
  • There was no significant treatment by time interaction effect on physical activity levels.

Conclusions:

  • Neither the "Parents as Teachers" nor the "Parents as Teachers Enhanced" curriculum effectively increased or maintained MVPA in this cohort.
  • Inadequate physical activity during pregnancy persists as a significant public health issue.
  • Further research is needed to develop effective interventions to promote physical activity in pregnant populations.