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Wondering what trimester you're in? See exactly which trimester each pregnancy week falls into — first, second, or third — plus why 12 weeks confuses everyone.

Convert pregnancy weeks to months with a simple chart. See exactly how many months 12, 20, or 28 weeks is — and which trimester you're in.

Track every pregnancy symptom from week 1 to 40. Know what's normal, when symptoms peak, and what to expect each trimester.

Morning sickness typically starts at week 6 and ends by week 14. Learn the timeline, causes, relief tips, and when to call your doctor.