Pregnancy Photos - The First Trimester
Your First Month of Pregnancy |
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The embryonic disk has become thicker and oval in shape, coiled up because the outermost layer, the ectoderm, has developed faster than the endoderm. One end of it has swollen to form the brain, and the other corresponds to the coccyx. Between the two, the neural groove will form the central nervous system. |
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Your Second Month of Pregnancy |
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The arm buds and then the leg buds quickly develop into limb segments and two weeks later the hands and spatula-shaped feet arise at the limb extremities. Later on, i.e. during the second half of this month, the fingers separate and acquire a tapered aspect while the limbs continue to grow longer. The knee, ankle, elbow and wrist joints also form. |
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Your Third Month of Pregnancy |
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In the brain, cells are multiplying and will continue to multiply until the 16th week of pregnancy, (about 3 and a half months) when several billion neurons will be produced, and at certain times, almost 250,000 per minute. |
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Of Special Interest to Expecting Parents
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