When does first trimester end for everyone??

Question

I’ve heard you’re in your second at 13 weeks and I’ve heard you’re in your second at 14 weeks!
Which does your OB consider second?

Answer

12,13,or 14 I really feel like everyone has their own opinion on this even doctors. I’ve heard some of everything.

Answer

My ob considers week 13 start of second trimester

Answer

I’ve heard first ends at 12, 13 and 14 so I have no clue anymore 🤦🏼‍♀️

Answer

14 weeks

Answer

16 weeks well at my doctor office 
1-3 months 4-12 weeks first trimester 
4-6 months 16-28 weeks second trimester
7-10 months 32 - 42 weeks third trimester
This is how we do it. So it weird seeing everyone at 12 and 13 weeks welcoming second trimester so early lol