Table 1.

Studies excluded with their respective reasons for exclusion

Author/Year/Location	Title	Reasons for exclusion
1. Saurell-Cubizolles MJ et al., 2000. France/Italy	Women´s health after childbirth: a longitudinal study in France and Italy.	No complications assessed.
2. Fornell EU et al., 2005. Sweden	Obstetric anal sphincter injury ten years after: subjective and objective long term effects.	No complications assessed.
3. Williams A et al., 2007. UK	The prevalence of enduring postnatal perineal morbidity and its relationship to perineal trauma.	No information on the degree of perineal laceration.
4. Leeman LM et al., 2007. USA	Do Unsutured Second-Degree Perineal Lacerations Affect Postpartum Functional Outcomes?	Definition of major perineal trauma included 2nd degree laceration.
5. Rogers RG et al., 2009. USA	Does spontaneous genital tract trauma impact postpartum sexual function?	Definition of major perineal trauma included 2nd degree laceration.
6. Lal M et al., 2011. UK	Does post-caesarean dyspareunia reflect sexual malfunction, pelvic floor and perineal dysfunction?	Definition of perineal trauma included 2nddegree laceration and/or episiotomy.
7. Fauconnier A, et al., 2012. France	Late post-partum dyspareunia: Does delivery play a role?	No information on the degree of perineal laceration.
8. Crane AK et al., 2013. USA	Evaluation of Pelvic Floor Symptoms and Sexual Function in Primiparous Women Who Underwent Operative Vaginal Delivery Versus Cesarean Delivery for Second-Stage Arrest.	No complications assessed.
9. McDonald EA & SJ Brown, 2013. Australia	Does method of birth make a difference to when women resume sex after childbirth?	No information on the degree of perineal laceration.
10. Lurie S et al., 2013. Israel	Sexual function after childbirth by the mode of delivery: a prospective study.	No complications assessed.
11. Rikard-Bell J et al., 2014. Australia	Perineal outcome and the risk of pelvic floor dysfunction: A cohort study of primiparous women.	No information on the degree of perineal laceration.
12. Adanikin AI et al., 2014. Nigeria	Resumption of intercourse after childbirth in southwest Nigeria.	No information on the degree of perineal laceration.
13. Song M et al., 2014. Japan	Association Between Sexual Health and Delivery Mode.	No information on the degree of perineal laceration.
14. McDonald EA et al., 2015. Australia	Dyspareunia and childbirth: a prospective cohort study.	No information on the degree of perineal laceration.
15. Faisal-Cury A et al., 2015. Brazil	The Relationship Between Mode of Delivery and Sexual Health Outcomes after Childbirth.	Episiotomy and perineal laceration evaluated as the same outcome.