Characteristics
Underweight (n=101, 4.1%) Normal weight (n=1577, 64.4%) Overweight (n=506, 20.7%) Obese (n=265, 10.8%) Obese (n=265, 10.8%) Obese (n=265, 10.8%) Obese (n=265, 10.8%)
Total Class I Class II Class III
n (%) n (%) n (%) n (%) n (%) n (%) n (%)
Age (years) 32.25a 34b 33.56a 32.5a 32.81a 31.85a 32.08a
BMI [kg/m2] 17.99b 21.78b 26.7b 33.56b 32b 36.98b 43.45a
ART 38 (38%) 589 (37%) 177 (35%) 76 (29%) 50 (29%) 14 (24%) 12 (33%)
Primipara 65 (64%) 1038 (66%) 286 (57%) 137 (52%) 92 (54%) 31 (53%) 14 (39%)
MCDA twins 28 (28%) 353 (22%) 121 (24%) 59 (22%) 36 (21%) 16 (28%) 7 (19%)
DCDA twins 73 (72%) 1224 (78%) 386 (76%) 206 (78%) 135 (79%) 42 (72%) 29 (81%)
History of abortionc 10 (10%) 142 (9%) 57 (11%) 37 (14%) 23 (13%) 10 (17%) 4 (11%)
History of C-section 6 (6%) 149 (9%) 77 (15%) 53 (20%) 31 (18%) 10 (17%) 12 (33%)
Smoker 1 (1%) 21 (1%) 8 (2%) 7 (3%) 3 (2%) 3 (5%) 1 (3%)
Pre-existing HTN 0 (0%) 12 (1%) 6 (1%) 12 (5%) 4 (2%) 6 (10%) 2 (6%)
Pre-existing DMd 0 (0%) 13 (1%) 5 (1%) 9 (3%) 4 (2%) 4 (7%) 1 (3%)