15 weeks pregnant
Trimester 2 · about 3 months · baby is about the size of an apple.
Baby at 15 weeksan apple10.1 cm · 70 g
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Your baby this week
Bones are hardening and may show on ultrasound. The baby can sense light through closed eyelids.
You this week
Nosebleeds and a stuffy nose are common from pregnancy hormones.
Care this week: Quad screen blood test window: 15 to 22 weeks.
Frequently asked questions
How many months is 15 weeks pregnant?
15 weeks is about 3.5 months of gestation, counted from the first day of your last period. You are in the second trimester.
How big is a baby at 15 weeks?
Around 10.1 cm long and 70 g, roughly the size of an apple. 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.