15 weeks pregnant: baby is the size of an apple
At 15 weeks, baby is about the size of
an apple
Baby's bones are getting harder.
- Length10.1 cm (4.0 in)
- Weight70 g (2.5 oz)
- Trimester2 of 3
Baby is measured from head to bottom (crown to rump) at this stage. These are rounded averages. Your ultrasound is the only real measurement of your baby.
Questions moms ask
How big is a baby at 15 weeks?
At 15 weeks, baby is about the size of an apple: around 10.1 cm (4.0 in) long from head to bottom (crown to rump), and weighs about 70 g (2.5 oz). Every baby grows at their own pace.
What trimester is 15 weeks?
15 weeks is in the second trimester.
How many months pregnant is 15 weeks?
Roughly month 4 of 9.
Related tools
This page gives estimates, not medical advice. If you're worried about your baby's growth, talk to your doctor or midwife.