Table 6. Maternal and perinatal outcomes of euthyroid women and those with SCH in the second trimester.

Outcome	Euthyroid (n = 2586)	SCH (n = 54)	P
GH	27 (1.044%)	1 (1.851%)	0.441
GDM	127 (4.945%)	2 (3.704%)	1
Placenta previa	3 (0.116%)	0 (0%)	1
Placental abruption	2 (0.773%)	0 (0%)	1
PROM	109 (4.215%)	2 (3.703%)	1
Premature delivery	66 (2.126%)	1 (1.852%)	0.746
IUGR	28 (1.083%)	0 (0%)	1
Fetal distress	85 (3.287%)	0 (0%)	0.335
LBW	46 (1.779%)	0 (0%)	1
Stillbirth	4 (0.155%)	2 (3.704%)	0.006
Malformation	11 (0.425%)	2 (3.704%)	0.028

SCH, subclinical hypothyroidism; GH, gestational hypertension; GDM, gestational diabetes mellitus; PROM, prelabor rupture of membranes; IUGR, intrauterine growth restriction; LBW, low birth weight.