10 of 40 weeks
Baby size this week
As lovely as a strawberry
Measurements are averages — every baby grows at their own pace.
Length 3.1 cm 1.2 in
Weight 4 g 0.14 oz
Your baby this week
- Vital organs — liver, kidneys, brain, lungs — begin to function
- Toenails and fingernail beds form
- Elbows can bend
- The forehead is tall and prominent
Your body this week
Nausea
Visible veins
Fatigue
Abdominal ache
This week's to-do
adAdvertisement
How we measure week 10
Pregnancy weeks are counted from the first day of your last menstrual period, following standard ACOG and NHS guidance. Sizes are crown-rump length in early weeks and head-to-heel from around week 20. Your care team may adjust dates after an ultrasound.
BumpCount offers general information and does not replace advice from your doctor or midwife.