When does the 1st trimester end?

Question

Ive seen conflicting answers and I just want to know the correct week!

Answer

Divide 40 by 3.

Answer

Just gunna drop this here from the American Pregnancy Association

Answer

The 2nd trimester starts at week 13, and the 3rd trimester starts at week 27 😊

Answer

13wks 4days

Answer

Google says at the end of 12 weeks

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