Table 2.

Level of Serum Zn and Cu with respect to reproductive history

Group	Serum Cu (mg/L)	Serum Zn (mg/L)	Cu/Zn
Case n=159	1.59 ± 0.05	1.430 ± 0.03	1.28 ± 0.066
Control n=118	1.81 ± 0.06**	1.463 ± 0.05	1.46 ± 0.091
P value	0.008	0.594	0.107
Pregnant n=160#	1.75 ± 0.05	1.491 ± 0.03	1.34 ± 0.067
Non-pregnant n=117##	1.59 ± 0.06	1.380 ± 0.04	1.38 ± 0.091
P value	0.103	0.071	0.728
With childn=222	1.714 ± 0.04	1.417 ± 0.03	1.40 ± 0.063
Without childn=55	1.584 ± 0.09	1.553 ± 0.06	1.17 ± 0.104
P value	0.231	0.075	0.061

The data are presented as mean ± SE. SAb; Spontaneous abortion, Cu; Copper, Zn; Zinc, **; P<0.01 show significant differences between the two groups based on independent student’s t test, ^#; Pregnant 160 includes 74 pregnant women having previous child birth and 86 case women with history of SAb, and ^##; Non-pregnant 117 includes 44 non-pregnant with previous child birth and 73 non-pregnant with present and past history of SAb, at the time of enrolment.