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How Big is Your Baby This Week?

Get a sense of your baby's approximate length and weight from conception to birth with our week-by-week averages.
papaya Week 22

Your baby is the size of a papaya. Her lungs are developing rapidly, and they will begin making a protein called surfactant, which will help her breathe independently once she's born.

Baby's Length: 10.94 in.

Baby's Weight: 15.17 oz.