Table 2.

Mean levels of micronutrients, heavy metals and progesterone of pregnant women with history of recurrent spontaneous abortion compared with pregnant women without history of recurrent spontaneous abortion

	Controls (n=34)	Cases (n=35)	p-values
Zinc (µg/dl)	99.25±2.14	69.26±0.69	0.001*
Iron (µg/dl)	102.26±3.53	104.46±3.49	0.660
Copper (µg/dl)	122.45±2.71	94.25±3.07	0.001*
Magnesium (µg/dl)	225.16±6.67	227.63±7.21	0.800
Manganese (µg/dl)	70.35±1.92	85.37±15.68	0.340
Selenium (µg/dl)	78.52±1.76	96.10±1.53	0.001*
Chromium (µg/dl)	44.45±1.16	45.16±1.26	0.680
Vitamin E (mg/l)	9.13±0.27	4.63±0.15	0.002*
Lead (µg/dl)	60.70±1.40	85.96±1.09	0.001*
Cadmium (µg/dl)	2.49±0.09	4.58±0.77	0.001*
Progesterone (ng/ml)	45.32±3.03	38.37±2.26	0.070

values are in mean ±SD

^*=p<0.05 is significant n=number of Subjects µg/dl=microgram per deciliter mg/l=milligram per litre ng/ml=manogram per mililitre