150k views
1 vote
When during fetal development do rhythmic breathing movements begin?

User AHegde
by
6.1k points

2 Answers

3 votes
The respiratory usually develops at 12 weeks so i would definitely say breathing starts in this period.
User Mcnesium
by
7.1k points
5 votes

Answer:

late in the third trimester the other person is wrong

Step-by-step explanation:

User Sundae
by
5.5k points