TG and Infertility: Some local and foreign workers have published articles on relationship of altered thyroid hormone levels with infertility, but they lack in relating it to associated morphological changes in endometrium.19-22 Another group of authors considered morphological changes in endometrium of infertile women, without taking in account the thyroid hormone status of patients.23,24 However, such studies on animal subjects are present; they focus histological changes in endometrium only.15,16 Our study is unique in considering morphological patterns along with histological changes in endometrium.