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Changes in the pelvic floor muscle function during pregnancy-Comparison between normal pregnant women and pregnant women with cervical incompetence-

Research Project

Project/Area Number 21592821
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Lifelong developmental nursing
Research InstitutionYamanashi Prefectural University

Principal Investigator

NATORI Hatsumi  山梨県立大学, 看護学部, 准教授 (10347370)

Co-Investigator(Kenkyū-buntansha) HIRATA Yoshie  山梨県立大学, 看護学部, 講師 (50326097)
Project Period (FY) 2009 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2009: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Keywords母性 / 女性看護学 / 看護学 / 妊娠 / 子宮頸管無力症 / 骨盤底筋
Research Abstract

In normal pregnant women, pelvic floor muscles relax during the course of the pregnancy, but the force of contraction is maintained. Meanwhile, it could be that in the first trimester pelvic floor muscles of pregnant women with cervical incompetence are already more relaxed than those of normal pregnant women. There were differences in the force of pelvic floor muscle during the second trimester, but no significant differences in the state of pelvic floor muscle at 36 weeks of gestation or later between two groups. During pregnancy, hormones allow the cartilage of the pubic symphysis and ligaments of the sacro-iliac joint to become slightly flexible, causing the birth canal to dilate. This study suggested that widening of the pelvis associated with pregnancy is a phenomenon that occurs regardless of the presence or absence of abnormality during the course of the pregnancy, because of no significant differences between two groups.

Report

(4 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report
  • 2009 Annual Research Report
  • Research Products

    (5 results)

All 2011 2010 2009

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (3 results)

  • [Journal Article] Comparison of changes in the pelvis and pelvic floor muscle function between normal pregnant women and pregnant women with cervical incompetence2011

    • Author(s)
      Hatsumi Natori, Yoshie Hirata, Keiko Shimada, Shuiji Hirata
    • Journal Title

      Journal of The Tsuruma Health Science Society

      Volume: 35(1) Pages: 27-35

    • NAID

      40018947601

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Comparision of changes in the pelvis and pelvic floor muscle function between normal pregnant women and prognant women with cervical incompetence2011

    • Author(s)
      Hatsumi Natori, Yoshie Hirata, Keiko Shimada, Shuji Hitara
    • Journal Title

      Journal of the Tsuruma Health Science Society, Kanazawa University

      Volume: 35 Pages: 27-36

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Presentation] 妊娠中期方後期における正常妊婦と子宮頸管無力症妊婦の会陰腱中長の伸展の比較2010

    • Author(s)
      名取初美、平田良江、島田啓子
    • Organizer
      第24回日本助産学会
    • Place of Presentation
      茨城県つくば市
    • Year and Date
      2010-03-21
    • Related Report
      2011 Final Research Report
  • [Presentation] 妊娠中期から後期における正常妊婦と子宮頸管無力症妊婦の会陰腱中の長さの比較2010

    • Author(s)
      名取初美
    • Organizer
      日本助産学会
    • Place of Presentation
      つくば市
    • Year and Date
      2010-03-21
    • Related Report
      2009 Annual Research Report
  • [Presentation] 妊娠中期から後期における正常妊婦と子宮頸管無力症妊婦の骨盤底筋力の比較2009

    • Author(s)
      名取初美、平田良江、島田啓子
    • Organizer
      第23回日本助産学会
    • Place of Presentation
      東京
    • Year and Date
      2009-03-21
    • Related Report
      2011 Final Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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