REI Flashcards

1
Q

stage at 3 days after fertilization

A

embryo is at cleavage stage

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2
Q

stage at 4 days after fertilization

A

morula

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3
Q

stage at 5 days after fertilization

A

blastulation, and appears in the uterus but not implanted

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4
Q

stage at 7 days after fertilization

A

blastocyst implants into uterine wall

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5
Q

stage at 12 days after fertilization

A

embryo has embedded and begins interacting with maternal circulation

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6
Q

steps of pregnancy implantation

A

apposition > adhesion > invasion

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