Searchable, peer-reviewed, open-access proceedings from bioscience and biomedical conferences

bp0017cpr10 | (1) | CPR2005

Maternal recognition of pregnancy signal or endocrine disruptor: The two faces of oestrogen during establishment of pregnancy in the pig

Geisert R.D. , Ross J.W. , Ashworth J.W. , White F.J. , Johnson G.A. , DeSilva U.

Timing of conceptus growth and attachment to the uterine luminal epithelium is regulated by progesterone secretion from the corpus luteum and by expression of progesterone receptor in the uterine epithelia and stroma. Conceptus growth and uterine attachment are temporally associated with the disappearance of progesterone receptors from uterine epithelia. While the loss of progesterone receptor from the endometrial epithelia on day 10 of the oestrous cycle and pregnancy h...