2026

• Grindheim, Sindre; Siafarikas, Franziska; Volløyhaug, Ingrid; Kessler, Jørg; Baghestan, Elham. (2026) Pelvic floor symptoms one year postpartum following forceps and vacuum deliveries: Impact of levator ani muscle avulsion. American Journal of Obstetrics and Gynecology
  Vitenskapelig artikkel

2025

• Grindheim, Sindre; Volløyhaug, Ingrid; Siafarikas, Franziska; Kessler, Jørg; Baghestan, Elham. (2025) Impact of delivery indication on levator ani muscle avulsion in forceps- and vacuum-assisted deliveries: prospective cohort study. Ultrasound in Obstetrics and Gynecology
  Vitenskapelig artikkel
• Solhaug, Berit Rein; Nyhus, Maria Øyasæter; Svenningsen, Rune; Volløyhaug, Ingrid. (2025) Association of sling location and bladder descent on ultrasound with cure, satisfaction and complications 10–20 years after midurethral sling surgery: multicenter cross-sectional study. Ultrasound in Obstetrics and Gynecology
  Vitenskapelig artikkel
• Oversand, Sissel Hegdahl; Staff, Annetine; Volløyhaug, Ingrid; Svenningsen, Rune. (2025) Impact of levator ani muscle avulsions on Manchester procedure outcomes: A 5-year follow-up study. Acta Obstetricia et Gynecologica Scandinavica
  Vitenskapelig artikkel

2024

• Solhaug, Berit Rein; Nyhus, Maria Øyasæter; Svenningsen, Rune; Volløyhaug, Ingrid. (2024) Abstracts of the 34th World Congress on Ultrasound in Obstetrics and Gynecology, 15-18 September 2024, Budapest, Hungary. Ultrasound in Obstetrics and Gynecology
  Sammendrag/Abstract
• Solhaug, Berit Rein; Svenningsen, Rune; Nyhus, Maria Øyasæter; Volløyhaug, Ingrid. (2024) Long-term sexual function after mid-urethral slings for stress urinary incontinence in women. Acta Obstetricia et Gynecologica Scandinavica
  Vitenskapelig artikkel
• Erdal, Hilde; Holst, Lone; Heitmann, Kristine; Volløyhaug, Ingrid; Torkildsen, Erik Andreas; Andreasen, Stine. (2024) Guidelines for Treatment of Hyperemesis Gravidarum and Implementation in Clinical Practice in Norway: A Descriptive Study. International Journal of Clinical Practice
  Vitenskapelig artikkel
• Volløyhaug, Ingrid; Semmingsen, Tuva Haugen; Laukkanen, Anne-Maria; Karoliussen, Clara; Bjørkøy, Kåre. (2024) Pelvic floor status in opera singers. a pilot study using transperineal ultrasound. BMC Women's Health
  Vitenskapelig artikkel
• Solhaug, Berit Rein; Svenningsen, Rune; Nyhus, Maria Øyasæter; Volløyhaug, Ingrid. (2024) Author Reply. BJOG: An International Journal of Obstetrics and Gynaecology
  Leserinnlegg
• Eggebø, Torbjørn Moe; Volløyhaug, Ingrid. (2024) The pelvic floor during pregnancy and delivery: Can pelvic floor trauma and disorders be prevented?. Acta Obstetricia et Gynecologica Scandinavica
  Leder

2023

• Eggebø, Torbjørn Moe; Benediktsdottir, Sigurlaug; Hjartardottir, Hulda; Salvesen, Kjell Åsmund Blix; Volløyhaug, Ingrid. (2023) Ultrasound examination of the pelvic floor during active labor: A longitudinal cohort study. Acta Obstetricia et Gynecologica Scandinavica
  Vitenskapelig artikkel
• Solhaug, Berit Rein; Nyhus, Maria Øyasæter; Svenningsen, Rune; Volløyhaug, Ingrid. (2023) Rates of subjective and objective cure, satisfaction, and pain 10–20 years after tension-free vaginal tape (TVT) surgery: A retrospective cohort study. BJOG: An International Journal of Obstetrics and Gynaecology
  Vitenskapelig artikkel

2022

• Volløyhaug, Ingrid; Lonnée-Hoffmann, Risa Anna Margaretha; Salvesen, Kjell Åsmund Blix. (2022) Do Sexually Abstinent Women have more pelvic floor Disorders?A cross sectional, population based study. Journal of Reproductive Medicine Gynaecology & Obstetrics
  Vitenskapelig artikkel
• Bjerkholt, Frøydis Folvik; Nyhus, Maria Øyasæter; Mathew, Seema; Volløyhaug, Ingrid. (2022) Are levator hiatal dimensions in mid-pregnancy associated with mode of delivery?. International Urogynecology Journal
  Vitenskapelig artikkel
• Nyhus, Maria Øyasæter; Mathew, Seema; Salvesen, Kjell Å; Volløyhaug, Ingrid. (2022) The impact of levator ani muscle trauma and contraction on recurrence after prolapse surgery. International Urogynecology Journal
  Vitenskapelig artikkel

2021

• Mathew, Seema; Volløyhaug, Ingrid; Salvesen, Kjell Å. (2021) Urinary and colorectal-anal distress in women - prevalence, risk factors and effect of pelvic floor muscle exercise in women with pelvic organ prolapse. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doktorgradsavhandling
• Mathew, Seema; Nyhus, Maria Øyasæter; Salvesen, Øyvind; Salvesen, Kjell Å; Stafne, Signe Nilssen; Volløyhaug, Ingrid. (2021) The effect of preoperative pelvic floor muscle training on urinary and colorectal-anal distress in women undergoing pelvic organ prolapse surgery—a randomized controlled trial. International Urogynecology Journal
  Vitenskapelig artikkel

2020

• Nyhus, Maria Øyasæter; Mathew, Seema; Salvesen, Øyvind; Salvesen, Kjell Å; Stafne, Signe Nilssen; Volløyhaug, Ingrid. (2020) Reply. Ultrasound in Obstetrics and Gynecology
  Vitenskapelig artikkel
• Nyhus, Maria Øyasæter; Mathew, Seema; Salvesen, Øyvind; Salvesen, Kjell Å; Stafne, Signe Nilssen; Volløyhaug, Ingrid. (2020) Effect of preoperative pelvic floor muscle training on pelvic floor muscle contraction and symptomatic and anatomical pelvic organ prolapse after surgery: randomized controlled trial. Ultrasound in Obstetrics and Gynecology
  Vitenskapelig artikkel
• Mathew, Seema; Rojas, Rodrigo A. Guzmán; Nyhus, Maria Øyasæter; Salvesen, Kjell Å; Volløyhaug, Ingrid. (2020) Prevalence of anal sphincter defects and association with anal incontinence in women scheduled for pelvic organ prolapse surgery. Neurourology and Urodynamics
  Vitenskapelig artikkel
• Volløyhaug, Ingrid; Taithongchai, Annika; Arendsen, Linda; Gruting, Isabelle van; Sultan, Abdul; Thakar, Ranee. (2020) Is endoanal, introital or transperineal ultrasound diagnosis of sphincter defects more strongly associated with anal incontinence?. International Urogynecology Journal
  Vitenskapelig artikkel
• Volløyhaug, Ingrid; Taithongchai, Annika; Arendsen, Linda; Gruting, Isabelle van; Sultan, Abdul H.; Thakar, Ranee. (2020) Author reply to the commentary on: Is endoanal, introital or transperineal ultrasound diagnosis of sphincter defects more strongly associated with anal incontinence?. International Urogynecology Journal
  Leserinnlegg

2019

• Oversand, Sissel Hegdahl; Staff, Anne Cathrine; Volløyhaug, Ingrid; Svenningsen, Rune. (2019) Impact of levator muscle avulsions on Manchester procedure outcomes in pelvic organ prolapse surgery. Acta Obstetricia et Gynecologica Scandinavica
  Vitenskapelig artikkel
• Taithongchai, Annika; Gruting, Isabelle van; Volløyhaug, Ingrid; Arendsen, Linda; Sultan, Abdul H.; Thakar, Ranee. (2019) Comparing the diagnostic accuracy of 3 ultrasound modalities for diagnosing obstetric anal sphincter injuries. American Journal of Obstetrics and Gynecology
  Vitenskapelig artikkel
• Mathew, Seema; Rojas, Rodrigo A. Guzmán; Salvesen, Kjell Å; Volløyhaug, Ingrid. (2019) Levator ani muscle injury and risk for urinary and fecal incontinence in parous women from a normal population, a cross-sectional study. Neurourology and Urodynamics
  Vitenskapelig artikkel
• Nyhus, Maria Øyasæter; Oversand, Sissel Hegdahl; Salvesen, Øyvind; Salvesen, Kjell Å; Mathew, Seema; Volløyhaug, Ingrid. (2019) Ultrasound assessment of pelvic floor muscle contraction: reliability and development of an ultrasound-based contraction scale. Ultrasound in Obstetrics and Gynecology
  Vitenskapelig artikkel
• Volløyhaug, Ingrid; Taithongchai, Annika; Gruting, Isabelle van; Sultan, Abdul; Thakar, Ranee. (2019) Levator ani muscle morphology and function in women with obstetric anal sphincter injury. Ultrasound in Obstetrics and Gynecology
  Vitenskapelig artikkel

2018

• Volløyhaug, Ingrid; Rojas, Rodrigo Guzman; Mørkved, Siv; Salvesen, Kjell Å. (2018) Comparison of transperineal ultrasound with POP-Q for assessing symptoms of prolapse. International Urogynecology Journal
  Vitenskapelig artikkel
• Nyhus, Maria Øyasæter; Salvesen, Kjell Å; Volløyhaug, Ingrid. (2018) Association between pelvic floor muscle trauma and contraction in parous women from a general population. Ultrasound in Obstetrics and Gynecology
  Vitenskapelig artikkel

2017

• Rojas, Rodrigo Guzman; Salvesen, Kjell Å; Volløyhaug, Ingrid. (2017) Anal sphincter defects and fecal incontinence 15-24 years after first delivery: a cross-sectional study. Ultrasound in Obstetrics and Gynecology
  Vitenskapelig artikkel
• Oversand, Sissel Hegdahl; Staff, Anne Cathrine; Sandvik, Leiv; Volløyhaug, Ingrid; Svenningsen, Rune. (2017) Levator ani defects and the severity of symptoms in women with anterior compartment pelvic organ prolapse. International Urogynecology Journal
  Vitenskapelig artikkel

2016

• Halle, Tuva Kristine Toresdatter; Salvesen, Kjell Å; Volløyhaug, Ingrid. (2016) Obstetric anal sphincter injury and incontinence 15-23 years after vaginal delivery. Acta Obstetricia et Gynecologica Scandinavica
  Vitenskapelig artikkel
• Volløyhaug, Ingrid; Gruting, Isabelle van; Delft, Kim Van; Sultan, Abdul; Thakar, Ranee. (2016) Is bladder neck and urethral mobility associated with urinary incontinence and mode of delivery 4 years after childbirth?. Neurourology and Urodynamics
  Vitenskapelig artikkel
• Volløyhaug, Ingrid; Mørkved, Siv; Salvesen, Kjell Å. (2016) Association between pelvic floor muscle trauma and pelvic organ prolapse 20 years after delivery. International Urogynecology Journal
  Vitenskapelig artikkel
• Volløyhaug, Ingrid; Mørkved, Siv; Salvesen, Øyvind; Salvesen, Kjell Å. (2016) Assessment of pelvic floor muscle contraction with palpation, perineometry and transperineal ultrasound: a cross-sectional study. Ultrasound in Obstetrics and Gynecology
  Vitenskapelig artikkel
• Volløyhaug, Ingrid; Salvesen, Kjell Å; Mørkved, Siv. (2016) Pelvic Floor, Incontinence & Prolapse 15-24 Years after Delivery. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doktorgradsavhandling

2015

• Volløyhaug, Ingrid; Mørkved, Siv; Salvesen, Øyvind; Salvesen, Kjell Å. (2015) Pelvic organ prolapse and incontinence 15-23 years after first delivery: A cross-sectional study. BJOG: An International Journal of Obstetrics and Gynaecology
  Vitenskapelig artikkel
• Volløyhaug, Ingrid; Mørkved, Siv; Salvesen, Øyvind; Salvesen, Kjell Å. (2015) Forceps delivery is associated with increased risk of pelvic organ prolapse and muscle trauma: A cross-sectional study 16-24 years after first delivery. Ultrasound in Obstetrics and Gynecology
  Vitenskapelig artikkel
• Volløyhaug, Ingrid; Mørkved, Siv; Salvesen, Kjell Å. (2015) Authors' reply re: Pelvic organ prolapse and incontinence 15-23 years after first delivery: A cross-sectional study. BJOG: An International Journal of Obstetrics and Gynaecology
  Leserinnlegg

2013

• Volløyhaug, Ingrid; Wong, Vivien; Shek, KL; Dietz, HP. (2013) Does levator avulsion cause distension of the genital hiatus and perineal body?. International Urogynecology Journal
  Vitenskapelig artikkel

2012

• Volløyhaug, Ingrid; Wong, Vivien; Shek, Ka Lai; Dietz, Hans Peter. (2012) Does levator avulsion cause clinical distension of the levator hiatus?. Acta Obstetricia et Gynecologica Scandinavica
  Vitenskapelig artikkel
• Volløyhaug, Ingrid; Wong, Vivien; Shek, Ka Lai; Dietz, Hans Peter. (2012) Does levator avulsion cause clinical distension of the levator hiatus?. Acta Obstetricia et Gynecologica Scandinavica
  Sammendrag/Abstract

2011

• Stafne, Signe Nilssen; Salvesen, Kjell Å; Volløyhaug, Ingrid; Mørkved, Siv. (2011) DOES A REGULAR EXERCISE PROGRAM INCLUDING PELVIC FLOOR MUSCLE EXERCISES PREVENT URINARY INCONTINENCE IN PREGNANCY?. Neurourology and Urodynamics
  Sammendrag/Abstract