Tissues from women undergoing elective termination of uterine pregnancy and from women with ectopic pregnancy were used to detect the presence of cells important for the maintenance of pregnancy , such as BCL-2+ , CD56+ , CD3+ , CD8+ and CD68+ cells , and the presence of oestrogen ( ER ) and progesterone receptors ( PR ) by immunohistochemistry .
tissues from women undergoing elective termination of uterine pregnancy and from women with ectopic pregnancy were used to detect the presence of cells important for the maintenance of pregnancy , such as bcl-2+ , cd56+ , cd3+ , cd8+ and cd68+ cells , and the presence of oestrogen ( er ) and progesterone receptors ( pr ) by immunohistochemistry .
O O O O B-other_name I-other_name O B-other_name I-other_name O O B-multi_cell O B-other_name I-other_name O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-protein_family_or_group O B-protein_family_or_group O O B-protein_family_or_group I-protein_family_or_group O B-protein_family_or_group O O B-other_name O