16 weeks pregnant
Trimester 2 · about 3 months · baby is about the size of an avocado.
Baby at 16 weeksan avocado11.6 cm · 100 g
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Your baby this week
Facial muscles work; the eyes can move slowly behind the lids.
You this week
Some people feel first flutters (quickening) from 16 weeks, especially in second pregnancies.
Frequently asked questions
How many months is 16 weeks pregnant?
16 weeks is about 3.7 months of gestation, counted from the first day of your last period. You are in the second trimester.
How big is a baby at 16 weeks?
Around 11.6 cm long and 100 g, roughly the size of an avocado. 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.