Mouse Pregnancy Stages. If the mouse is in diestrus, you will see mostly polymorphonuclear leukocytes (pmns) and some epithelial cells. Ex utero culture of mouse embryos from pregastrulation to advanced organogenesis postimplantation mammalian embryo culture methods have been generally inefficient and limited to brief periods after dissection out of the uterus.
(1) the proestrus portion of the cycle begins when a new batch of eggs reach maturity within ovarian follicles that are ripe and large. You will see some pmns if the mouse is in early proestrus. The protocols discussed here have been optimized for.
