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A 40-year-old member asked:

When does the second trimester end?

1 doctor answer1 doctor weighed in
Dr. Alan Patterson
Obstetrics and Gynecology 43 years experience
U can look this up: But 26 2/3 weeks, each trimester is 13 1/3 weeks as 13 1/3 x 3 trimesters equals 40 weeks and a piece of advise do not let your preg go past your due date the ideal time to deliver according to a recent very large study is 39-40 weeks , I do not let any of my pts go past 40 weeks !
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Last updated May 17, 2015
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