Table 2.

Fetomaternal outcomes

Study	Cesarean section delivery								Preterm labor						Anemia
	NW		Obese I		Obese II		MO		NW	Obese I	Obese II		MO		NW	Obese I	Obese II		MO
Fallatah et al. (2019) [7]	15%		63.9%		79%		79.4%		7.1%	11.9%	11.83%		12.66%		-	58.9%	59.5%		61.3%
Schummers et al. (2015) [32]	< 18.5	25– < 30		30– < 35		35– < 40		BMI ≥ 40	< 18.5	25– < 30	30– < 35	35– < 40		BMI ≥ 40	< 18.5	25– < 30	30– < 35	35– < 40		≥ 40
	21.8%	33.1%		38.2%		43.1%		49.7%	9.2%	7.5%	8.4%	8.8%		10.3%	-	-	-	-		-
Zhao et al. (2019) [33]	18.5 ≥ 22.9	≥ 24–24.9		≥ 25–27.9		≥ 28–29.9		BMI ≥ 30	18.5 ≥ 22.9	≥ 24–24.9	≥ 25–27.9	≥ 28–29.9		BMI ≥ 30	18.5 ≥ 22.9	≥ 24–24.9	≥ 25–27.9	≥ 28–29.9		BMI ≥ 30
	21.5%	28.6%		28.3%		33.5%		32.8%	5%	5.4%	7%	8.7%		15.3%	2.8%	2.7%	2.7%	2.2%		2.3%

In Zhao et al.’s (2019) study, there was no correlation between anemia and pregnant obese participants

UWT, underweight; NW, normal weight; O/W, overweight; MO, morbid obesity