When Does Third Trimester Start?

A pregnancy is divided into trimesters: the first trimester is from week 1 to the end of week 12. the second trimester is from week 13 to the end of week 26. the third trimester is from week 27 to the end of the pregnancy.

Is the third trimester Week 27 or 28?

The third trimester of pregnancy starts in week 28 of your pregnancy and lasts until you give birth, which is around the 40th week.

How many months is 27 weeks pregnant?

27 weeks pregnant is 6 ¼ months pregnant.