Table 1.

Characteristics of study and control group

	Group 1	Group 2	Control group
N	18	22	14
Age (years)	27,8±2,6	28,4±3,0	29,2±4,3
Mean arterial pressure (mmHg)	112/70	113/72	116/73
BMI(body mass index)	23,93	28,44	27,72
AST/GOT(U/L)	16,66±1,32	14,47±2,09	13,23±1,78
ALT/GPT(U/L)	10,90±1,58	10,30±2,26	10,98±2,18
Ureea (g/L)	0,12±0,05	0,12±0,02	0,17±0,02
Uric acid (mg/dL)	2,59±0,35	2,87±0,58	3,08±0,64
Iron (μg/dL)	87,13±22,45	70,08±21,31	65,36±10,63
CRP (mg/L)	4,95±2,93	3,20±2,27	2,07±0,48
Homocysteine (μmol/L)	5,33±0,66	5,70±0,72	4,91±0,67
Malondialdehyda (nmol/ml)	2,59±0,38	2,82±0,41	2,46±0,35
Ceruloplasmin (mg/dl)	48,63±6,08	44,76±4,99	49,55±8,15
group 1= risk of abortion, group 2= risk of preterm birth, group 3= healthy pregnant women