Table 3.

Risk of adverse perinatal outcomes among Mexican adolescent women with gestational diabetes mellitus* without treatment

Adverse perinatal outcomes	Total n=1057	Without GDM n=990 n (%)	With GDM n=67 n (%)	ORs (95% CI)	P value
Intrauterine growth restriction	36 (3.4)	35 (3.5)	1 (1.5)	0.41 (0.06 to 3.1)	0.37
Polyhydramnios	13 (1.2)	12 (1.2)	1 (1.5)	1.2 (0.41 to 3.4)	0.84
Gestational hypertension	54 (5.1)	50 (5.1)	4 (6.0)	1.2 (0.28 to 5.5)	0.74
Preeclampsia	52 (4.9)	49 (4.9)	3 (4.5)	0.9 (0.27 to 2.9)	0.86
Preterm birth	140 (13.3)	130 (13.1)	10 (14.9)	1.15 (0.57 to 2.3)	0.67
Premature rupture of membranes	15 (1.4)	13 (1.3)	2 (3.0)	2.3 (0.51 to 20.5)	0.26
Caesarean section	542 (51.3)	505 (51)	37 (55.2)	1.18 (0.72 to 1.95)	0.50
Obstetric haemorrhage	28 (2.6)	26 (2.6)	2 (3.0)	1.14 (0.26 to 4.9)	0.86
Neonate large for gestational age	33 (3.1)	32 (3.3)	1 (1.5)	0.45 (0.06 to 3.3)	0.42
Neonate small for gestational age	122 (11.6)	117 (11.2)	5 (7.5)	0.59 (0.23 to 1.5)	0.27
Congenital malformations	28 (2.6)	28 (2.6)	2 (3.0)	1.14 (0.26 to 4.9)	0.86

*Diagnosed using International Association of Diabetes and Pregnancy Study Groups criteria.

GDM, gestational diabetes mellitus.