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