Skip to main content

Table 3 Obstetrical and neonatal outcome stratified by BMI

From: Effects of pre-pregnancy body mass index on pregnancy and perinatal outcomes in women with PCOS undergoing frozen embryo transfer

 Singleton birthsNormal vs. OverweightOverweight vs. ObestiyNormal vs. Obesity
Normal(N = 341)Overweight(N = 144)Obesity(N = 79)
Hypertensive disorders in pregnancy7.62%(26/341)9.72%(14/144)10.13%(8/79)0.2950.5510.317
Gestational diabetes4.69%(16/341)7.64%(11/144)8.86%(7/79)0.1580.4760.136
Preeclampsia0.59%(2/341)1.39%(2/144)2.53%(2/79)0.3460.4490.166
Premature rupture membrane1.76%(6/341)2.08%(3/144)1.27%(1/79)0.5320.5580.611
Birth weight, g
 VLBW (< 1500 g)0.29%(1/341)2.08%(3/144)1.27%(1/79)0.0830.4250.344
 LBW (< 2500 g)5.28%(18/341)6.94%(10/144)7.59%(6/79)0.3140.5320.302
 Macrosomia(> 4000 g)4.39%(15/341)9.03%(13/144)8.86%(7/79)0.0520.5890.113
 Small-for-gestational age(<10th percentile)6.15%(21/341)7.64%(11/144)7.59%(6/79)0.3520.6070.409
 Large-for-gestational age(>90th percentile)18.47%(63/341)19.44%(28/144)18.99%(15/79)0.4630.5470.519
 Length at birth (cm)50.13 ± 2.5650.35 ± 2.7349.78 ± 3.11   
Gestation weeks at delivery (weeks)
 Very PTD (< 32 weeks)1.47%(5/341)2.78%(4/144)2.53%(2/79)0.2680.6410.395
 PTD (< 37 weeks)7.62%(26/341)11.11%(16/144)10.13%(8/79)0.1680.5160.317
Child’s sex, no.(%)
 Male51.32%(175/341)44.44%(64/144)45.57%(36/79)0.0990.4910.213
 Female48.68%(166/341)55.56%(80/144)54.43%(43/79)   
  1. PTD (preterm delivery:< 37 weeks of gestation), very PTD (very preterm delivery:< 32 weeks of gestation), LBW (low birth weight: birth weight < 2500 g);VLBW (very low birth weight: birth weight < 1500 g)