Second trimester?

[inertia63]

According to my ticker, at twelve weeks I am in my second trimester, yet Google etc says it starts at 13 weeks.

Anyone know?

 

[claireybell]

I always class 2nd trimester start at 12 wks but i found it could be 13 in my last pg aswell.. Dont think it makes a huge diff tbh, baby is full term at 37 wks

 

[lilmisscaviar]

I would go with 12 weeks. Google probably goes with 13 weeks because it waits until your the end of 12 weeks to make you officially in the first trimester, but my doctor always went with 12 weeks so that's what I'm going with too

 

[Amy1123]

Trimester=3 months