Question

_______is a formation takes place during 12th week of pregnancy​

Answer 1

Explanation:

•week 12 of Your Pregnancy

• Your baby looks like a tiny formed human, and your uterus is finally growing up and out of your pelvis

☞What happens during the 12th week of pregnancy?

•Week 12 is a time of big changes for your baby. They are now about three inches long and weigh about 1 ounce. Their external sex organs should be appearing now or very soon because of increased hormone activity. Your baby's fingers and toes aren't webbed anymore, and fingernails are starting to develop.

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Answer 2

Answer:

May be the answer of this question is amnioto sac.

Hope it's helpful to you.

According to my point of view this is the correct answer.