33 weeks pregnant
Trimester 3 · about 7 months · baby is about the size of a pineapple.
Baby at 33 weeksa pineapple43.7 cm · 1.9 kg
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Your baby this week
The immune system is building with antibodies passed across the placenta.
You this week
Clumsiness is common as your centre of gravity shifts.
Frequently asked questions
How many months is 33 weeks pregnant?
33 weeks is about 7.6 months of gestation, counted from the first day of your last period. You are in the third trimester.
How big is a baby at 33 weeks?
Around 43.7 cm long and 1.9 kg, roughly the size of a pineapple. These are averages; individual babies vary.
Not sure which week you're in? The pregnancy calculator works it out from your last period or due date.