F. Dinata
Departement of Obsterics and Gynecology

Published : 5 Documents
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Journal : Indonesian Journal of Obstetrics and Gynecology

Basic Pelvic Muscle Strength in primigravidae (Preliminary Research) Dinata, F.; Santoso, Budi Iman; Nuhonni, S. A.; Surjanto, Surjanto
Indonesian Journal of Obstetrics and Gynecology Vol. 32. No. 2. April 2008
Publisher : Indonesian Journal of Obstetrics and Gynecology

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Abstract

AbstrackObjective: To find out if there is a decrease in pelvic floor muscles’ strength during pregnancy which could be one of many causes of stress urinary incontinence.Setting: Obstetric Outpatient Clinic of Dr. Cipto Mangunkusumo Hospital.Material and methods: Assessment was done on a primigravida as much as twice, each in 20-28 weeks and 29-36 weeks of pregnancy. The strength of her pelvic floor muscles was measured by Myomed 932 (Enraf Nonius, The Netherlands), a kind of myofeedback tool. Subject contracted her muscles maximally three times with a rest interval bet-ween it. The rate in hPa was taken from those 3 contractions and became a value of the pelvic floor muscles’ strength.Results: There were 67 subjects eligible for the study, collected from October 2006 until May 2007. Eighty point six percent was in group of age 18-30. It was almost equal, the amount of subject in medium education group (56.7%) and high one (43.3%). The primigravidas mostly were housewives (61.2%). The three biggest tribes were Javanese (29.8%), Betawinese (26.9%) and Sundanese (17.9%). Using nonpaired t-test, it was revealed that there was no significant difference between pelvic floor muscles’ strength in trimester 2 and trimester 3 (p = 0.936). The rate of trimester 2 was 30.76 ± 9.60 hPa and trimester 3 was 30.90 ± 9.67 hPa. The rate during pregnancy was 30.83 ± 9.60 hPa.Conclusion: In primigravida, the strength of pelvic floor muscles measured by Myomed 932 was 30.76 ± 9.60 hPa in trimester 2 and 30.90± 9.67 hPa in trimester 3. There was no significant difference between pelvic floor muscles’ strength intrimester 2 and trimester 3.Keywords: pelvic floor muscles, strength, primigravida, stress urinary incontinence