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which of the following is correct regard...

which of the following is correct regarding embryonic development?

A

Heart sound of the foetus can be heard using stethoscope usually after four week of gastation

B

First movement of foetus occurs just after 3rd month

C

Implantation occur at morula stage

D

Allantois serve as site of blood cell synthesis in foetal stage

Text Solution

Verified by Experts

The correct Answer is:
A
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