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4
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fluid-filled sac that contains and protects a fetus in the womb
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7
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one of a pair of twins who develop from two separately different fertilized ova
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8
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one of a pair of twins who develop from a single fertilized ovum
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9
|
fertilization; the inception of pregnancy
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10
|
physician who delivers babies
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11
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threadlike structure of nucleic acids and protein found in the nucleus of most living cells
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13
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union of a human egg and sperm
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14
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expulsion of a fetus before it is viable, especially between the third and seventh month of pregnancy
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|
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1
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early stages of development in the womb
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2
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unborn human baby more than eight weeks after conception
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3
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application of ultrasound waves for diagnostics; imaging of internal structures
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5
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nausea occurring in the early part of the day
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6
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cell produced by the union of two gametes
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12
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visual image produced by reflected sound waves in a diagnostic ultrasound examination
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15
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the mature sexual reproductive cell, that unites with another cell to form a new organism
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