Response to "Data limitations may affect conclusions in study of vaginal delivery at midpelvic station"

Affiliations

• ¹ School of Population and Public Health, Department of Obstetrics & Gynaecology, The University of British Columbia, Vancouver, BC.
• ² Associate Professor, School of Population and Public Health, Department of Obstetrics & Gynaecology, The University of British Columbia, Vancouver, BC.
• ³ Graduate Student, Department of Obstetrics & Gynaecology, The University of British Columbia, Vancouver, BC; Assistant Professor, Department of Obstetrics and Gynaecology, King Saud University, Riyadh, Saudi Arabia.
• ⁴ Professor, Department of Statistics, The University of British Columbia, Vancouver, BC.
• ⁵ Head and Professor, Department of Obstetrics & Gynaecology, The University of British Columbia, Vancouver, BC.
• ⁶ Professor, School of Population and Public Health, Department of Obstetrics & Gynaecology, The University of British Columbia, Vancouver, BC.