1. Journal of Obstetrics and Gynaecology Canada
Morbidity and Mortality Associated With Forceps and Vacuum Delivery at Outlet, Low, and Midpelvic Station 
Giulia M. Muraca, PhD, MPH, Yasser Sabr, MD, MHSc, Sarka Lisonkova, MD, PhD, Amanda Skoll, MD, Rollin Brant, PhD, Geoffrey W. Cundiff, MD, K.S. Joseph, MD, PhD 
Journal of Obstetrics and Gynaecology Canada  
DOI: /j.jogc
Copyright © 2018 The Authors Terms and Conditions

2. Figure 1
Cohort of deliveries with prolonged second stage of labour stratified by indication for operative delivery, success or failure of operative vaginal delivery (OVD) attempt, and operative instrument.
Journal of Obstetrics and Gynaecology Canada  DOI: ( /j.jogc )
Copyright © 2018 The Authors Terms and Conditions

3. Figure 2
Adjusted ORs and 95% CIs for (A) birth trauma, (B) obstetric trauma following forceps and vacuum delivery compared with Caesarean delivery, by pelvic station and indication, and (C) rates of severe perineal lacerations following forceps and vacuum delivery by pelvic station and indication, in term singleton deliveries with a prolonged second stage of labour, in Canada (excluding Quebec),
Journal of Obstetrics and Gynaecology Canada  DOI: ( /j.jogc )
Copyright © 2018 The Authors Terms and Conditions

4. Journal of Obstetrics and Gynaecology Canada DOI: (10. 1016/j. jogc
Copyright © 2018 The Authors Terms and Conditions