Timetable of in vivo embryonic development in the grey short‐tailed opossum (<i>Monodelphis domestica</i>)

Abstract excerpt

The timing of development was examined in 496 embryos from female Monodelphis domestica collected at known time intervals after video recorded mating. Ovulation occurred approximately 20 hr (day 1) after mating, and fertilization was observed by 24 hr. Transport through the oviducts was rapid, and pronuclear stage embryos were recovered from the uterus as early as 24 hr after mating. Second cleavage had occurred...

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