What happens during weeks 4-12 of pregnancy?
Answer: placenta takes over feeding the embryo, nutrients are exchanged through villi (via the chorionic membrane) , if mothers blood got into amniotic cavity, baby would be killed by mothers T cells,
What happens during weeks 4-12 of pregnancy?
Answer: placenta takes over feeding the embryo, nutrients are exchanged through villi (via the chorionic membrane) , if mothers blood got into amniotic cavity, baby would be killed by mothers T cells,
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.