From: Evidence of inhibin/activin subunit betaC and betaE synthesis in normal human endometrial tissue
 | Inhibin subunits | Proliferative phase | Early secretory phase | Late secretory phase |
---|---|---|---|---|
Glandular epithelium | α | ± | + | ++ |
 | βA | + | + | ++ |
 | βB | + | + | ++ |
 | βC | + | + | + |
 | βE | + | + | ++ |
Stromal cells | α | - | + | ++ |
 | βA | - | + | ++ |
 | βB | - | + | ++ |
 | βC | + | + | + |
 | βE | - | + | ++ |