21 weeks pregnant: baby is the size of a carrot
At 21 weeks, baby is about the size of
a carrot
Baby's kicks are getting stronger.
- Length26.7 cm (10.5 in)
- Weight360 g (13 oz)
- Trimester2 of 3
Baby is measured from head to heel 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 21 weeks?
At 21 weeks, baby is about the size of a carrot: around 26.7 cm (10.5 in) long from head to heel, and weighs about 360 g (13 oz). Every baby grows at their own pace.
What trimester is 21 weeks?
21 weeks is in the second trimester.
How many months pregnant is 21 weeks?
Roughly month 5 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.