Question

In which trimester does the following occur?

The embryo is attached to the placenta by the umbilical cord, and the placenta makes contact with the uterus.

first
second
third

Answer 1

@Vocaloid C or a?

Answer 2

I'm actually not sure, I would have to look this up

Answer 3

Okay thanks

Answer 4

google tells me first trimester (week 3)

Answer 5

thanks