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When is the end of the first trimester?

Dani00518 Posted:

When is the end of the first trimester?

the end of week 12 or 13?

chmlengr Posted:

Re: When is the end of the first trimester?

With a 40 week pregnancy, it's about 13.3 weeks for each trimester. So I'd say end of 13 weeks.

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