2차원, 3차원 초음파를 통한 임신부의 골반저 형태학적 특징CHARACTERISTICS OF THE PELVIC FLOOR DURING PREGNANCY BY 2D AND 3D ULTRASOUND
- Other Titles
- CHARACTERISTICS OF THE PELVIC FLOOR DURING PREGNANCY BY 2D AND 3D ULTRASOUND
- Authors
- 홍혜리; 조금준; 강애라; 진혜미; 오영택; 오민정; 김해중
- Issue Date
- 2011
- Publisher
- 대한산부인과학회
- Keywords
- Ultrasonography; Pregnant; Pelvic fl oor; 초음파; 임신부; 골반저; Ultrasonography; Pregnant; Pelvic fl oor
- Citation
- Obstetrics & Gynecology Science, v.54, no.08, pp.420 - 427
- Indexed
- KCI
- Journal Title
- Obstetrics & Gynecology Science
- Volume
- 54
- Number
- 08
- Start Page
- 420
- End Page
- 427
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/114481
- ISSN
- 2287-8580
- Abstract
- Objective The aim of this study was to evaluate morphological characteristics of the pelvic fl oor in pregnant women using 2- and 3-dimensional (D)-transperineal ultrasound and compare our fi ndings with fi ndings in non-pregnant women.
Methods This case-control study included 40 nulliparous pregnant women at term and 28 nulliparous, non-pregnant women (age-matched).
The 2D- and 3D-transperineal ultrasounds were carried out in the semi-supine position, after voiding, at rest and during the Valsalva maneuver. Various biometric parameters related to characteristics of the pelvic fl oor were measured.
Results Satisfactory biometric measurements were obtained in all cases. The mean thickness of the levator ani muscle was signifi cantly greater in pregnant women than in non-pregnant women (P <0.05). The mean levator hiatus angle and transverse diameter of the levator hiatus were signifi cantly lower in pregnant women than in non-pregnant women (P <0.05). The anteroposterior diameter of the levator hiatus was not signifi cantly different between pregnant women and non-pregnant women.
Conclusion Pregnant women had signifi cantly thicker the levator ani muscles but smaller hiatal areas, as measured by the levator hiatus angle and transverse diameter, than did non-pregnant women. Pregnancy itself may cause morphological changes to the pelvic fl oor to support the birth canal by closing the lower end of the pelvic cavity as a diaphragm. Further studies are needed to evaluate morphologic changes of the pelvic fl oor following delivery as measured by 2D and 3D-transperineal ultrasound.
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