Effect of hypothyroidism on the hypothalamic–pituitary–ovarian axis and reproductive function of pregnant rats

BMC Endocrine Disorders

Table 3 Pregnancy and miscarriage rates

Items	hypothyroidism pregnancy group (n = 39)	normal pregnancy group (n = 30)	χ² value	P value
numbers of pregnancy	28	24
numbers of miscarriage	10	0
pregnancy rate(%)	71.4	80.0	0.002	0.096
miscarriage rate(%)	25.6^*	0		0.036

In the cross table, n < 40 and T < 1; therefore, Fisher’s exact test is used (P = 0.036) and there is no χ² value

ISSN: 1472-6823