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In which trimester does the following occur?

The embryo is attached to the placenta by the umbilical cord, and the placenta makes contact with the uterus.

A. 1st trimester
B. 2nd trimester
C. 3rd trimester

I feel like it would be C but not sure

User Rivo
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1 Answer

4 votes
The answer would the the first trimester.
User Tayyab
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