Delayed Implantation

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nwoodworth
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Delayed Implantation

Post by nwoodworth » Thu Oct 23, 2014 8:39 pm

I was recently reading about delayed implantation in bears and in weasels and was curious about how that worked. The egg is fertilized right away, but isn't implanted into the uterine wall until the time is right... but where is it located in between? Is it in the fallopian tube? Is it in the uterus but not "implanted" yet? Does anybody actually know?

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BasicBiology
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Post by BasicBiology » Mon Nov 10, 2014 7:55 am

I believe the blastocyst remains floating in the uterus until the necessary physiological changes occur that promote the attachment of the blastocyst to the uterine wall
Adam Purcell
Basic Biology

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