OBJECTIVE: To evaluate the effect of @entity1243 and other selected variables on gestational @entity1017 (GWG) according to pre-gestational body mass index (BMI). DESIGN: Prospective cohort. SETTING: Public Health Center, Rio de Janeiro, Brazil. SAMPLE: Two hundred and twenty-eight pregnant @entity1 . METHODS: @entity1 were followed at the 5-13, 20-26 and 30-36th gestational weeks. The effects of independent variables on GWG in normal weight (BMI 18.5-24.9 kg/m(2) ), overweight (BMI 25.0-29.9 kg/m(2) ) and @entity28 (BMI >=  30.0 kg/m(2) ) @entity1 were assessed using longitudinal linear mixed-effects models. MAIN OUTCOME MEASURE: Maternal body weight (kg) throughout pregnancy. RESULTS: @entity1243 concentrations were associated with GWG in normal weight (b = 0.048, P < 0.001) and overweight (b = 0.023, P = 0.048) @entity1 , but not in @entity28 ones (b = 0.011, P = 0.308). Additionally, the number of hours slept per night decreased the effect of @entity1243 on GWG in OW @entity1 (b = -0.013, P = 0.002). The effect of other maternal characteristics on GWG was different depending on the BMI category. CONCLUSIONS: @entity1243 concentrations were positively associated with GWG in normal weight and overweight @entity1 , but not in @entity28 ones. Maternal height was associated with GWG in all BMI categories, but other variables such as sleep duration, QUICKI values, HDL-c, smoking habit and marital status presented differential effects according to BMI. We encourage further studies to investigate the association between @entity1243 and gestational @entity1017 , taking into account the pre-pregnancy weight and sleep duration, in order to compare and confirm our results. TWEETABLE ABSTRACT: @entity1243 is associated with @entity1017 in normal weight and overweight pregnant @entity1 , but not in @entity28 ones.

The effect of XXXX concentrations and other maternal characteristics on gestational @entity1017 is different according to pre-gestational BMI: results from a prospective cohort.

@entity1 :: ('9606', 'Species') :: ['women', 'Women'] @entity1243 :: ('3952', 'Gene') :: ['leptin', 'Leptin'] @entity1017 :: ('MESH:D015430', 'Disease') :: ['weight gain'] @entity28 :: ('MESH:D009765', 'Disease') :: ['obese']
@entity1243 :: (3952,Gene) :: ['leptin']
