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In the first month the embryo is about 1/10 of an inch,the heart is no larger than a poppy seed.
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The embryo is about 1 inch long and has distinct, slightly webbed fingers, and you can see veins, and the heart is divided into right and left chambers.
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The fetus is 2 1/2 to 3 inches long and is fully formed. He has begun swallowing, and also kicking. All organs and muscles have formed and are working.
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Your baby is covered with a layer of thick downy hair called lanugo ad feel his first kick.
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The vernix caseosa begians to form.
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Eyebrows and eyelids are visible.
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Fingernails nails start growing.
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He is about 4 to 6 ponds