• Incidence of obstetric anal sphincter injuries after training to protect the perineum: cohort study 

      Laine, Katariina; Skjeldestad, Finn Egil; Sandvik, Leiv; Staff, Anne Cathrine (Journal article; Tidsskriftartikkel; Peer reviewed, 2012)
      Objective To compare the incidence of obstetric anal sphincter injuries (OASIS) in two time periods, before and after implementing a training programme for improved perineal support aimed at reducing the incidence of obstetric anal sphincter injuries. The secondary aim was to study incidence of obstetric anal sphincter injuries in subgroups defined by risk factors for OASIS. Design Population-based ...
    • Prevalence and Risk Indicators for Anal Incontinence among Pregnant Women 

      Staff, Anne Cathrine; Laine, Katariina; Skjeldestad, Finn Egil; Sandvik, Leiv (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
      The aim of this study was to assess the prevalence and risk factors of anal incontinence in an unselected pregnant population at second trimester. A survey of pregnant women attending a routine ultrasound examination was conducted in a university hospital in Oslo, Norway. A questionnaire consisting of 105 items concerning anal incontinence (including St. Mark’s score), urinary incontinence, ...