Measurement of vaginal wall-related parameters and establishment of their normal reference ranges in normal women of childbearing period by transrectal biplane high-frequency ultrasonography
Objective To measure vaginal wall parameters including vaginal wall thickness,length and number of rugae in normal childbearing period women using transrectal biplane high-frequency ultrasonography,and to establish normal reference ranges of the above indexes.Methods Totally 245 normal childbearing period female volunteers were prospectively recruited.The thickness and length of vaginal wall were measured,and number of rugae were counted with transrectal biplane high-frequency ultrasound,and the normal reference ranges were established.The correlations of the above indexes with age,height,body mass and body mass index(BMI)were explored.Results The thickness and length of vaginal wall was(7.50-16.20)mm(95％CI[11.43,11.92]mm)and(3.30-7.61)cm(95％CI[5.35,5.74]cm),respectively,and number of rugae was 5.00±15.00(95％CI[8.42,9.13]).Both the length of vaginal wall and the number of rugae were negatively correlated with age(r=-0.145,-0.178;P=0.024,0.005),while the thickness of vaginal wall was not obviously correlated with age,height,body mass and BMI of normal childbearing period women(all P＞0.05).Conclusion The normal reference ranges of the thickness and length of vaginal wall,as well as the number of rugae in normal childbearing period established women obtained with transrectal biplane high-frequency ultrasonography could provide references for clinical assessment of vaginal condition.
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