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Heart and blood vessels are continuing to develop. Structures of neck and head begin to form. Lung, stomach, and liver start to develop.
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Half an inch in size. Eyelids and ears are beginning to form. You can start to see the tip of the nose. Arms and legs are formed. Fingers and toes will become longer and more distinct.
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2 inches. Can make own movements. Sex organs should become more clear to see. Heartbeat is able to be heard.
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4 and a half inches. Able to blink. Heart and blood vessels are fully formed. Baby has fingerprints on both fingers and toes.
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6 inches. Baby can suck thumb, yawn, stretch and make faces.
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1.4 pounds. Will respond to sound or movements. Inner ear is fully developed.
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2.6 pounds. Changes position frequentally.
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18.5 inches and an average of 6 pounds. Brain has been developing rapidly. Lungs are nearly fully developed.
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Responds to sounds. Should begin to examine more-complex designs, along with various colors, sizes and shapes
