Table-II.

Comparison of serum levels of TSH, FT4, 25-OH-D, Ca2+, FPG and HbAIc of pregnant women in two groups (X̄±S).

Group	Case No. (n)	TSH (mmol/L)	FT4 (pmol/L)	25-OH-D (ng/mL)	Ca2+(mmol/L)	FPG (mmol/L)	HbAIc (%)
Observation group	100	7.25±1.54	7.83±4.05	27.86±7.35	0.88±0.13	6.75±1.84	7.16±1.89
Control group	100	1.75±0.48	7.72±3.95	39.25±8.90	1.15±0.23	4.81±1.53	4.84±1.50
t value		34.096	0.194	-9.868	-10.220	8.107	9.615
P value		P<0.01	P>0.05	P<0.01	P<0.01	P<0.01	P<0.01