2 of 40 weeks
Baby size this week
As lovely as a poppy seed
Measurements are averages — every baby grows at their own pace.
Length 0.1 cm 0.0 in
Weight 0.1 g 0.00 oz
Your baby this week
- An egg is maturing in preparation for ovulation
- The uterine lining continues to thicken
- Fertile cervical mucus may increase near the end of this week
- Conception is just days away
Your body this week
Cervical mucus changes
Mild cramping
Heightened smell
This week's to-do
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How we measure week 2
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.