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 ...

In cases occurring before the menopause, he demonstrated secretory activity of the tumors themselves in response to progesterone at the same time normal endometrium is responding, but the ...

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 ...