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Establish optimal gestational weight gain for maternal body mass index categories to minimize risks.

Optimal Gestational Weight Gain for Body Mass Index Categories

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Establish optimal gestational weight gain for maternal body mass index categories to minimize risks.
Analyzed data from 298,648 singleton pregnancies in Sweden from 1994 to 2004.
Compared weight gain classes within each BMI group for adverse maternal and fetal outcomes.
Calculated odds ratios with necessary adjustments.
Optimal gestational weight gain for BMI < 20 is 9-22 lb; for BMI 20-24.9, 5-22 lb; for BMI 25-29.9, <20 lb; for BMI ≥ 30, <13 lb.
Lower gestational weight gain limits are associated with reduced risks of adverse obstetric and neonatal outcomes.
Especially relevant for obese women where recommendations significantly differ from previous guidelines.

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Randomized trial establishes weight gain limits for maternal BMI categories, suggesting revised recommendations for healthier outcomes.

Marie I. Cedergren (2007) studied this question.

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