Study goal is to determine whether behavioral lifestyle intervention during pregnancy can reduce the number of women who exceed the Institute of Medicine recommendations for weight gain during pregnancy. It is hypothesized that the intervention will reduce the number of women who exceed weight gain guidelines relative to standard care. The investigators also expect the intervention to reduce the proportion of women exceeding weight gain guidelines in both normal weight and overweight groups.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
401
Behavioral lifestyle intervention targeting diet and physical activity to reduce excessive gestational weight gain
Percentage of women above the Institute of Medicine Guidelines for gestational weight gain
Objective measures of weight collected by trained staff on calibrated scales at study entry and after delivery to classify women as above or below the Institute of Medicine Guidelines for gestational weight gain
Time frame: 40 weeks
Behavioral measures
The Block Food Frequency questionnaire and Paffenbarger physical activity questionnaire will be used to assess diet and exercise behavior.
Time frame: 40 weeks
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