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????? ?????? ( ??????????? : Gestational age )? ?? ????? ???? ??? ????? ??? ???? ????? ?????? ?? ???? ????? ???? ?? ???? ???? ???????? ??? ?? ???? ????? 14 ???? ??? ??????? (?? ???? ??? ???????? ) ?? ?????? ????? ??? ??????? . ???? ????? ????? ?????? ????? ?????? ?? ???????? ??? ??? ???? ????? ??? ???????? ??? ??? ?? ???? ???????? ????? ????? ?????? ??? ????? ??????? .

????? ????? ????? ????? ????? ?????? ?? ???? ?? ?????? ???? ?????? ??? ????? ????? ?????? ???? ??????? .

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?? ????? ??????? ???? ??????? ??????? ???????? ???????? ???????? ??: [1]

???? ????? ????? ?????? ?? ???? ????? ????? ??????? ????? ???? ?????? ?????? ??????? ?????? 14 ????. [3]

?????? ?????? ???? ??? ???? ????? ??????: [4]

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????? ??? ??????? ?? ??????? ????? ( ??? ???? ????? ) ±8% ?? ???????
????? ??? ??????? ?? ??????? ?????? ( ???? ????? ???? ??? ????? ) ±8% ?? ???????
????? ??? ??????? ?? ??????? ?????? (???? ????? ???? ??? ?????) ±8% ?? ???????

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??????? ????? ?????? [ ??? ]

????? ?????? ????????? ???????
<37 0/7 ????
34 0/7 - 36 6/7 ???? ????? [5]
37 0/7 - 38 6/7 ???? ???? [6]
39 0/7 - 40 6/7 ?? ?????? [6]
41 0/7 - 41 6/7 ???? ????? [6]
> 42 0/7 ????? ??????

????? ??????? ????? 40 ?????? (280 ????)? ???? ?????? ?? 38 ??? 42 ?????? ???? ??????. ????? ???? ???? ?? ??????? ?????? ????????? ??? ?????? ?????? ????? ????? ???????? ????? ????? ??????? . ??? ??? ??? ????? ???? ?? 42 ?????? ???? ???? ??? ????? ?????? . ???????? ??????? ??????? ?????? ????? ??????? .

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??????? [ ??? ]

  1. ^ ? ? Obstetric Data Definitions Issues and Rationale for Change - Gestational Age & Term from Patient Safety and Quality Improvement at ?????? ????????? ?????? ??????? ???????? ???????? . Created November 2012. [ ???? ?????? ] Safety and Quality Improvement/201213IssuesandRationale-GestationalAgeTerm.pdf ???? ?????? 2015-08-24 ?? Wayback Machine
  2. ^ PMID 10776011 ( ???? :  10776011 )
    Citation will be completed automatically in a few minutes. Jump the queue or expand by hand
  3. ^ Robinson? H. P.? Fleming? J. E. E. (1975). "A Critical Evaluation of Sonar "crown-Rump Length" Measurements". BJOG: an International Journal of Obstetrics and Gynaecology . ?. 82 ?. 9: 702. DOI : 10.1111/j.1471-0528.1975.tb00710.x .
  4. ^ ? ? A Simple Solution to Dating Discrepancies: The Rule of Eights Hunter? L. A. (2009). "Issues in Pregnancy Dating: Revisiting the Evidence". Journal of Midwifery & Women's Health . ?. 54 ?. 3: 184?190. DOI : 10.1016/j.jmwh.2008.11.003 . ???? ?????? 2016-07-03 ?? Wayback Machine
  5. ^ Late-Preterm Infants ACOG Committee Opinion 404 ???? ?????? 2013-11-03 ?? Wayback Machine
  6. ^ ? ? ? Ob-Gyns Redefine Meaning of "Term Pregnancy" , from ?????? ????????? ?????? ??????? ???????? ???????? . October 22, 2013 ???? ?????? 2017-05-03 ?? Wayback Machine


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