Preemie - Newborn Sizes

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~ Measurements for Preemie to Newborn ~

Gestational age (weeks) 11 12 13 14 15 16 17 18 19 20
Total Length     4 5 6 7 8 9 9.5 10
Weight (ounces)     0.8 1.5 2.5 3.5 5 6.7 8.7 10.6
Head Circ 2.4 2.8 3.4 3.8 4.3 5.1 5.6 6 6.4 6.8
Abdomen 2.1 2.5 3 3.4 3.8 4.25 4.8 5.25 5.6 6
Arm length           2.3 2.6 3 3.13 3.25
Torso           3.5 4 4.5 4.6 4.75


Gestational age (weeks) 22 24 26 28 30 32 34 36 38 40
Total Length 11 11.8 14 14.8 15.7 16.7 17.7 18.7 19.6 20
Weight (pounds) 1 1.3 1.7 2.25 3 3.75 4.75 5.75 6.8 7.6
Head Circ 7.5 8.8 9.5 10.5 11 11.5 12.2 12.7 13.1 13.6
Abdomen 7 8 8.9 9.7 10.5 11.3 12.2 13 13.7 14.5
Neck Circ 3 4.9 5.5 5.9 7 7.4 7.6 7.8 7.8 7.8
Chest 4.5 7.8 8.4 9.4 10.1 10.3 11.3 11.3 12 12.9
Arm length 3.5 3.8 4.5 4.6 4.8 5.7 6 6.2 6.4 6.8
Wrist           4       5.5
Torso 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5
Outer Seam   4.7 5.9 6.1 6.2 6.8 7.2 7.4 8.6 8.6
Inner Seam   3.9 4.7 5 5.3 5.9 6.1 6.2 6.2 6.2
Foot Length   1 1.5 2 2.5 2.5 3 3 3.25 3.5

***These measurements (-/+) are given as a guideline when making items for preemies up to newborn. Babies come in all sizes, just as everyone crochets and knits different too!

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