Secretory-phase endometrium displays changes that may morphologically overlap with EIN. 2 In normal mid–late secretory endometrium the gland to stroma ratio is increased, nuclei become enlarged ...

The main secretory product of the corpus luteum is progesterone, which induces secretory endometrial changes; it is these qualitative changes that will make the endometrium receptive to the ...

Abnormalities of the endometrium that precede the appearance of carcinoma, with cystic and adenomatous hyperplasia and anaplasia, have been correlated with excessive estrogen stimulation, 8 and ...