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IrinaVladis [17]
3 years ago
14

When does the placenta attach to the uterus?

Health
1 answer:
Vadim26 [7]3 years ago
5 0
The placenta starts to grow upon implantation of the fetus into the wall of the uterus around week 4 of pregnancy. The placenta is believed to have established full maternal blood supply and attachment by the end of week 12.
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