The authors reply to "The end of forceps deliveries?" and "Beware selection bias"

Affiliations

¹ School of Population and Public Health, and Department of Obstetrics & Gynaecology, The University of British Columbia, Vancouver, BC.
² Department of Obstetrics & Gynaecology, The University of British Columbia, Vancouver, BC.
³ Department of Statistics, The University of British Columbia, Vancouver, BC.
⁴ Department of Obstetrics & Gynaecology, The University of British Columbia, Vancouver, BC, and Department of Obstetrics and Gynaecology, King Saud University, Riyadh, Saudi Arabia.

Comment

Giulia M Muraca et al. CMAJ. 2017.

. 2017 Aug 28;189(34):E1098.

doi: 10.1503/cmaj.733285.

¹ School of Population and Public Health, and Department of Obstetrics & Gynaecology, The University of British Columbia, Vancouver, BC.
² Department of Obstetrics & Gynaecology, The University of British Columbia, Vancouver, BC.
³ Department of Statistics, The University of British Columbia, Vancouver, BC.
⁴ Department of Obstetrics & Gynaecology, The University of British Columbia, Vancouver, BC, and Department of Obstetrics and Gynaecology, King Saud University, Riyadh, Saudi Arabia.

No abstract available

Conflict of interest statement

Competing interests: None declared.

Perinatal and maternal morbidity and mortality after attempted operative vaginal delivery at midpelvic station.
Muraca GM, Sabr Y, Lisonkova S, Skoll A, Brant R, Cundiff GW, Joseph KS. Muraca GM, et al. CMAJ. 2017 Jun 5;189(22):E764-E772. doi: 10.1503/cmaj.161156. CMAJ. 2017. PMID: 28584040 Free PMC article.
Beware selection bias.
Barrett JFR, Zaltz A, Geary M, Sermer M, Kingdom J. Barrett JFR, et al. CMAJ. 2017 Aug 28;189(34):E1096. doi: 10.1503/cmaj.733261. CMAJ. 2017. PMID: 28847782 Free PMC article. No abstract available.
The end of forceps deliveries?
Pairaudeau N. Pairaudeau N. CMAJ. 2017 Aug 28;189(34):E1097. doi: 10.1503/cmaj.733247. CMAJ. 2017. PMID: 28847783 Free PMC article. No abstract available.

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