| Definition
of Pregnancy |
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| • | NIH/FDA |
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| – | “Pregnancy
encompasses the period of time from |
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| confirmation
of implantation until expulsion or |
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| extraction of
the fetus.” |
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| • | ACOG |
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| – | “Pregnancy is
the state of a female after |
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| conception
and until termination of the gestation.” |
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| – | “Conception
is the implantation of the blastocyst. It |
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| is not
synonymous with fertilization; synonym: |
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| implantation.” |
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| US Government 1983 |
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| Hughes ACOG 1972 |
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