Your baby's  heart began  beating  at 18-25 days.  His or her brain waves could have been recorded at 40 days 

After 11 Weeks: 

Your baby squints, swallows and can make a fist.

Your baby has fingerprints, and can kick - and is sensitive to heat, light, touch and noise.

Your baby is sucking his or her thumb, weighs 1 ounce and is 2 1/2 to 3" long, and would fit comfortably in the palm of your hand.

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