Fig. 3From: Weighing as a stand-alone intervention does not reduce excessive gestational weight gain compared to routine antenatal care: a systematic review and meta-analysis of randomised controlled trialsProportion of weight gain exceeding the IOM ranges and tests of significance. Significance test(s) of Odds Ratio (OR) =1; Body Mass Index (BMI) Underweight (UW) z = 0.33, p = 0.741; BMI Normal Weight (NW) z = 1.55, p = 0.122; BMI Over Weight (OW) z = 0.50, p = 0.617; BMI Obese (OB) z = 1.15, p = 0.250Back to article page