Shaniawright35
Shaniawright35 Shaniawright35
  • 24-09-2016
  • Health
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In which trimester does the following occur? A sac called a placenta forms around the embryo and is connected to the embryo with an umbilical cord.

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geidycapoeira geidycapoeira
  • 24-09-2016
On the first trimester.
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rebeccakanter
rebeccakanter rebeccakanter
  • 24-09-2016
Key word is embryo. First trimester forms embryo, after 3 month it's a fetus.
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