• 1
    Thomas J, Paranjothy S. Royal College of Obstetricians and Gynaecologists Clinical Effectiveness Support Unit. National Sentinel Caesarean Section Audit Report. London, UK: RCOG Press, 2001.
  • 2
    Births in Scotland Report 2002 (Births 1981–2000) Information and Statistics Division. []. Accessed 30 September 2008.
  • 3
    Johanson RB, Menon V. Vacuum extraction versus forceps for assisted vaginal delivery. Cochrane Database Syst Rev 2000;CD000C24.
  • 4
    Demissie K, Rhoads GG, Smulian JC, Balasubramanian BA, Joseph KS, Kramer M. Operative vaginal delivery and neonatal and infant adverse outcome: population based retrospective analysis. BMJ 2004;329:249.
  • 5
    McQuivey RW. Vacuum assisted delivery: a review. J Matern Fetal Neonatal Med 2004;16:17180.
  • 6
    Royal College of Obstetricians and Gynaecologists. Operative Vaginal Delivery (Guideline). London: RCOG, 2005.
  • 7
    Liebling RE, Swingler R, Patel R, Verity L, Soothill PW, Murphy DJ. Pelvic floor morbidity up to one year following difficult instrumental vaginal delivery and caesarean section in the second stage of labour: a cohort study. Am J Obstet Gynecol 2004;191:410.
  • 8
    Sultan AH, Kamm MA, Hudson CN, Bartram CI. Third degree obstetric anal sphincter tears: risk factors and outcome of primary repair. BMJ 1994;308:88791.
  • 9
    Donnelly V, Fynes M, Campbell D, Johnson H, O’Connell PR, O’Herlihy C. Obstetric events leading to anal sphincter damage. Obstet Gynecol 1998;92:9556.
  • 10
    MacArthur C, Glazener CMA, Wilson PD, Herbison GP, Gee H, Lang GD, et al. Obstetric practice and faecal incontinence three months after delivery. BJOG 2001;108:67883.
  • 11
    Handa VL, Danielsen BH, Gilbert WM. Obstetric anal sphincter lacerations. Obstet Gynecol 2001;98:22530.
  • 12
    Hall W, McCracken K, Osterweil P, Guise JM. Frequency and predictors for postpartum fecal incontinence. Am J Obstet Gynecol 2003;188:12057.
  • 13
    Bahl R, Strachan BK, Murphy DJ. Pelvic floor morbidity at 3 years after instrumental delivery and cesarean delivery in the second stage of labor and the impact of a subsequent delivery. Am J Obstet Gynecol 2005;192:78994.
  • 14
    Viktrup L, Lose G. The risk of stress incontinence 5 years after first delivery. Am J Obstet Gynecol 2001;185:827.
  • 15
    Towner D, Castro MA, Eby-Wilkens E, Gilbert WM. Effect of mode of delivery in nulliparous women on neonatal intracranial injury. N Engl J Med 1999;341:170914.
  • 16
    Murphy DJ, Liebling RE, Patel R, Verity L, Swingler R. Cohort study of operative delivery in the second stage of labour and standard of obstetric care. BJOG 2003;110:61015.
  • 17
    Carroli G, Belizan J. Episiotomy for vaginal birth. Cochrane Database Syst Rev 1999:CD0000081.
  • 18
    Royal College of Obstetricians and Gynaecologists. Management of Third and Fourth Degree Perineal Tears Following Vaginal Delivery. Guideline No. 19. London: RCOG, 2001.
  • 19
    Royal College of Obstetricians and Gynaecologists, Royal College of Midwives. Towards Safer Childbirth. Minimum Standards for the Organisation of Labour Wards: Report of a Joint Working Party. London: RCOG Press, 1999.
  • 20
    Eogan M, Daly L, O’Connell PR, O’Herlihy C. Does the angle of episiotomy affect the incidence of anal sphincter injury? BJOG 2006;113:1904.
  • 21
    Robinson JN, Norwitz ER, Cohen AP, McElrath TF, Lieberman ES. Episiotomy, operative vaginal delivery, and significant perineal trauma in nulliparous women. Am J Obstet Gynecol 1999;181:11804.
  • 22
    Youssef R, Ramalingam U, Macleod M, Murphy DJ. Cohort study of maternal and neonatal morbidity in relation to use of episiotomy at instrumental vaginal delivery. BJOG 2005;112:9415.
  • 23
    Macleod M, Murphy DJ. Operative vaginal delivery and the use of episiotomy—a survey of practice in the United Kingdom and Ireland. Eur J Obstet Gynecol Reprod Biol 2008;136:17883.
  • 24
    De Leeuw J, De Wit C, Bruinse H, Kuijken J. Mediolateral episiotomy reduces the risk for anal sphincter injury during operative vaginal delivery. BJOG 2008;115:1048.