Baby Growth Chart - Average Weekly Size for Weeks 3-12
Growth Chart, Weeks 3-12 | Growth Chart, Weeks 13-25 | Growth Chart, Weeks 26-40
Please Note:
- Pregnancy weeks are counted from your last menstrual period.
- Weeks 3-19, measurements are taken from head to rump.
- Weeks 20-40, measurements are taken from head to toe.
Week 3
![Week 3 baby embryo size poppy seed Week 3 baby embryo size poppy seed](/sites/all/themes/pswbw/images/baby_size/week3_embryo_size_poppyseed.jpg)
Embryo Size
Your baby is about the size of a poppy seed during week 3.
LENGTH: 0.03 in / 0.08 cm
WEIGHT: 0.002 oz / 0.06 g
Embryo Image Week 3 >>
Week 4
![Week 4 baby embryo size sesame seed Week 4 baby embryo size sesame seed](/sites/all/themes/pswbw/images/baby_size/week4_embryo_size_sesameseed.jpg)
Embryo Size
Your baby is about the size of a sesame seed during week 4.
LENGTH: 0.05 in / 0.13 cm
WEIGHT: 0.004 oz / 0.11 g
Embryo Image Week 4 >>
Week 5
![Week 5 baby embryo size sunflower seed Week 5 baby embryo size sunflower seed](/sites/all/themes/pswbw/images/baby_size/week5_embryo_size_sunflowerseed.jpg)
Embryo Size
Your baby is about the size of a sunflower seed during week 5.
LENGTH: 0.09 in / 0.23 cm
WEIGHT: 0.007 oz / 0.19 g
Embryo Image Week 5 >>
Week 6
![Week 6 baby embryo size raisin Week 6 baby embryo size raisin](/sites/all/themes/pswbw/images/baby_size/week6_embryo_size_raisin.jpg)
Embryo Size
Your baby is about the size of a raisin during week 6.
LENGTH: 0.15 in / 0.38 cm
WEIGHT: 0.01 oz / 0.28 g
Embryo Image Week 6 >>
Week 7
![Week 7 baby embryo size blueberry Week 7 baby embryo size blueberry](/sites/all/themes/pswbw/images/baby_size/week7_embryo_size_blueberry.jpg)
Embryo Size
Your baby is about the size of a blueberry during week 7.
LENGTH: 0.31 in / 0.79 cm
WEIGHT: 0.02 oz / 0.5 g
Embryo Image Week 7 >>
Week 8
![Week 8 baby embryo size raspberry Week 8 baby embryo size raspberry](/sites/all/themes/pswbw/images/baby_size/week8_embryo_size_raspberry.jpg)
Embryo Size
Your baby is about the size of a raspberry during week 8.
LENGTH: 0.58 in / 1.5 cm
WEIGHT: 0.04 oz / 1 g
Embryo Image Week 8 >>
Week 9
![Week 9 baby embryo size cherry Week 9 baby embryo size cherry](/sites/all/themes/pswbw/images/baby_size/week9_embryo_size_cherry.jpg)
Embryo Size
Your baby is about the size of a cherry during week 9.
LENGTH: 0.80 in / 2 cm
WEIGHT: 0.07 oz / 2 g
Embryo Image Week 9 >>
Week 10
![Week 10 baby embryo size strawberry Week 10 baby embryo size strawberry](/sites/all/themes/pswbw/images/baby_size/week10_embryo_size_strawberry.jpg)
Embryo Size
Your baby is about the size of a strawberry during week 10.
LENGTH: 1.20 in / 3 cm
WEIGHT: 0.13 oz / 3.7 g
Embryo Image Week 10 >>
Week 11
![Week 11 baby fetus size apricot Week 11 baby fetus size apricot](/sites/all/themes/pswbw/images/baby_size/week11_fetus_size_apricot.jpg)
Fetus Size
Your baby is about the size of a apricot during week 11.
LENGTH: 1.7 in / 4.3 cm
WEIGHT: 0.28 oz / 7.9 g
Fetus Image Week 11 >>
Week 12
![Week 12 baby fetus size lime Week 12 baby fetus size lime](/sites/all/themes/pswbw/images/baby_size/week12_fetus_size_lime.jpg)
Fetus Size
Your baby is about the size of a lime during week 12.
LENGTH: 2.3 in / 5.8 cm
WEIGHT: 0.51 oz / 14.4 g
Fetus Image Week 12 >>
Growth Chart, Weeks 3-12 | Growth Chart, Weeks 13-25 | Growth Chart, Weeks 26-40