When does the third trimester start

Question

So every source and app says something different. What do YOU consider the first day of your third trimester?

Answer

I'm 26 weeks today and this app just said I'm in my third, but I'll count it next week at 27. No reason to rush for me! This pregnancy is going way too fast and baby will be here before I know it.

Answer

My doctor said 27 . Because if you equally divide 40 weeks by 3 it's ..13.33 each trimester... so 13.33 times 2 is 26.66 which is one day shy of 27. Which makes most sense to me ! However 27/28 only a weeks difference so I guess it doesn't matter which you choose (;

Answer

This is what I use to gage it.

Answer

I'm going with 26 because I know I'm not going to 40 weeks, so it's more accurate for me!

Answer

I have been following the chart below.  Honestly, I am not super picky when others pick different dates, I just like to follow a single source myself, lol.  Save me from the confusion of it all.

When does the third trimester start

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