When does the 3rd trimester start?

Question

I’ve seen 27 weeks, but also some say 28. I’m 26 plus 3 and would like to know if I’m about to start my 3rd!

Answer

40 weeks divided by 3 trimesters is 13.3333
X2 is 26.6666 therefore it starts at 27 weeks

Answer

I always thought it was 27 weeks, (this is my 3rd babe) but glow is telling me I’m in my 3rd trimester at the start of 26 weeks

Answer

It starts in your 28th week so 27+1 is the first day of the 3rd trimester :)

Answer

My doctor told me 28, but at an ultrasound clinic they told me 26 🤷🏼‍♀️

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