Ingrid Volløyhaug1,2, Siv Mørkved3,4, Kjell Å Salvesen5,6. 1. Department of Laboratory Medicine, Children's and Women's Health, Norwegian University of Science and Technology, P.O. Box 8905, Medisinsk teknisk forskningssenter, 7491, Trondheim, Norway. ingrid.volloyhaug@ntnu.no. 2. Department of Obstetrics and Gynecology, Trondheim University Hospital, Trondheim, Norway. ingrid.volloyhaug@ntnu.no. 3. Department of Public Health and General Practice, Norwegian University of Science and Technology, Trondheim, Norway. 4. Clinical Service, Trondheim University Hospital, Trondheim, Norway. 5. Department of Laboratory Medicine, Children's and Women's Health, Norwegian University of Science and Technology, P.O. Box 8905, Medisinsk teknisk forskningssenter, 7491, Trondheim, Norway. 6. National Center for Fetal Medicine, Trondheim University Hospital, Trondheim, Norway.
Abstract
INTRODUCTION AND HYPOTHESIS: It is known that pelvic floor muscle trauma (PFMT) after vaginal delivery is associated with pelvic organ prolapse (POP) symptoms (sPOP) and signs (POP-Q ≥2) in patient populations. Our aims were to establish the prevalence and investigate a possible association between PFMT and sPOP and POP-Q ≥2 in healthy women 20 years after their first delivery. METHODS: During 2013 and 2014 we conducted a cross-sectional study among 847 women who delivered their first child between 1990 and 1997. Women responded to a postal questionnaire and were offered a clinical examination including prolapse grading and pelvic floor ultrasonography. The main outcome measures were sPOP, POP-Q ≥2 and PFMT, defined by levator avulsion or a levator hiatal area on Valsalva manoeuvre of >40 cm(2) on ultrasonography. RESULTS: Of the 847 eligible women, 608 (72 %) were examined. Data on POP symptoms, POP-Q stage, levator avulsion and levator hiatal area were available in 598, 608, 606 and 554 women, respectively, and of these 75 (13%) had sPOP, 275 (45%) had POP-Q ≥2, 113 (19 %) had levator avulsion and 164 (30%) had a levator hiatal area >40 cm(2). Levator avulsion was associated with POP-Q ≥2 with an odds ratio (OR) of 9.91 and a 95% confidence interval (CI) of 5.73 - 17.13, and with sPOP (OR 2.28, 95% CI 1.34 - 3.91). Levator hiatal area >40 cm(2) was associated with POP-Q ≥2 (OR 6.98, 95% CI 4.54, - 10.74) and sPOP (OR 3.28, 95 % CI 1.96 - 5.50). CONCLUSION: Many healthy women selected from the general population have symptoms and signs of POP 20 years after their first delivery, and PFMT is associated with POP-Q ≥2 and sPOP.
INTRODUCTION AND HYPOTHESIS: It is known that pelvic floor muscle trauma (PFMT) after vaginal delivery is associated with pelvic organ prolapse (POP) symptoms (sPOP) and signs (POP-Q ≥2) in patient populations. Our aims were to establish the prevalence and investigate a possible association between PFMT and sPOP and POP-Q ≥2 in healthy women 20 years after their first delivery. METHODS: During 2013 and 2014 we conducted a cross-sectional study among 847 women who delivered their first child between 1990 and 1997. Women responded to a postal questionnaire and were offered a clinical examination including prolapse grading and pelvic floor ultrasonography. The main outcome measures were sPOP, POP-Q ≥2 and PFMT, defined by levator avulsion or a levator hiatal area on Valsalva manoeuvre of >40 cm(2) on ultrasonography. RESULTS: Of the 847 eligible women, 608 (72 %) were examined. Data on POP symptoms, POP-Q stage, levator avulsion and levator hiatal area were available in 598, 608, 606 and 554 women, respectively, and of these 75 (13%) had sPOP, 275 (45%) had POP-Q ≥2, 113 (19 %) had levator avulsion and 164 (30%) had a levator hiatal area >40 cm(2). Levator avulsion was associated with POP-Q ≥2 with an odds ratio (OR) of 9.91 and a 95% confidence interval (CI) of 5.73 - 17.13, and with sPOP (OR 2.28, 95% CI 1.34 - 3.91). Levator hiatal area >40 cm(2) was associated with POP-Q ≥2 (OR 6.98, 95% CI 4.54, - 10.74) and sPOP (OR 3.28, 95 % CI 1.96 - 5.50). CONCLUSION: Many healthy women selected from the general population have symptoms and signs of POP 20 years after their first delivery, and PFMT is associated with POP-Q ≥2 and sPOP.
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