Increased odds of excessive weight gain for normal-weight, overweight women, even after adjustment
FRIDAY, March 10, 2017 (HealthDay News) — Group prenatal care is associated with excess gestational weight gain among normal-weight and overweight women, according to a study published online March 9 in Obstetrics & Gynecology.
Michelle A Kominiarek, M.D., from Northwestern University Feinberg School of Medicine in Chicago, and colleagues conducted a retrospective cohort study involving 2,117 women who participated in group prenatal care and were matched with women who received individual prenatal care. They compared demographics and antenatal complications for the women in group and individual prenatal care. Weight gain was categorized as below, met, or exceeded goals according to the 2009 Institute of Medicine guidelines.
The researchers found that women in group prenatal care more often exceeded the weight gain goals (55 versus 48 percent; P < 0.001). The differences in gestational weight gain were seen for normal-weight (47 versus 41 percent exceeded; P = 0.001) and overweight women (69 versus 54 percent exceeded; P < 0.001). The increased odds for excessive gestational weight gain persisted among normal-weight and overweight women (odds ratios, 1.28 and 1.84, respectively) even after adjustment for age, race-ethnicity, parity, education, and tobacco use. Nulliparity correlated with increased odds of excessive gestational weight gain (odds ratio, 1.49), while Hispanic ethnicity correlated with reduced odds (odds ratio, 0.68).
“Among normal-weight or overweight women, group prenatal care, compared with individual prenatal care, is associated with excessive gestational weight gain,” the authors write.
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