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Table 4 Pregnancy outcomes among women whose weight gain was below recommended levels by guidelines of the Institute of Medicine

From: Associations between pre-pregnancy body mass index and gestational weight gain with pregnancy outcomes in women with polycystic ovary syndrome

Outcome

BMI < 25 kg/m2

BMI ≥ 25 kg/m2

Adjusted OR 95% CI

P-value

Adjusted OR 95% CI

P-value

GH

0.24 [0.08–0.71]

0.01

0.27 [0.05–1.33]

0.11

PE

0.62 [0.19–2.01]

0.42

NS

 

GDM

2.55 [1.54–4.23]

< 0.001

2.16 [0.87–5.38]

0.10

PPH

0.38 [0.16–0.95]

0.04

0.22 [0.02–1.95]

0.17

Cesarean section

0.83 [0.52–1.33]

0.43

0.94 [0.38–2.34]

0.89

Assisted vaginal delivery

0.88 [0.42–1.84]

0.73

1.18 [0.14–10.02]

0.88

Vaginal delivery

1.23 [0.79–1.92]

0.35

1.06 [0.43–2.63]

0.90

Macrosomia

0.78 [0.28–2.14]

0.63

0.26 [0.02–3.37]

0.30

SGA

1.43 [0.36–5.67]

0.61

NS

 

LGA

0.54 [0.25–1.16]

0.11

1.05[0.34–3.23]

0.93

  1. Data was analyzed using multivariable logistic regression analysis. Models were adjusted for maternal age, height, gravidity, parity, gestational age at delivery, cigarette smoke pre-pregnancy, and alcohol consumption pre-pregnancy
  2. Reference group: adequate GWG in the same BMI category
  3. OR odds ratio, CI confidence interval, GH gestational hypertension, PE preeclampsia, GDM gestational diabetes mellitus, PPH postpartum hemorrhage, SGA small for gestational age, LGA large for gestational age, NS the number in this category was too small to analyze