Authors’ reply to Blanchette

Lisa G. Smithers*, John Lynch, Ben Mol

*Corresponding author for this work

Research output: Contribution to journalLetterpeer-review


Dear Editor,

We conducted a population‐based study to explore whether being born by instrumental delivery had longer‐term effects on ~8‐year‐old children’s school assessments.1Blanchette suggested our study had ‘enormous selection bias’. We disagree.
Original languageEnglish
Pages (from-to)E1-E2
Number of pages2
JournalAustralian and New Zealand Journal of Obstetrics and Gynaecology
Issue number2
Early online date14 Apr 2020
Publication statusPublished - Apr 2020

Bibliographical note

Funding Information
National Health and Medical Research Council of Australia (NHMRC) Partnership Project Grant. Grant Number: 1056888
Centre of Research Excellence. Grant Number: 1099422
NHMRC Investigator Grant. Grant Number: GNT1176437


  • Child
  • Delivery, Obstetric
  • Female
  • Humans
  • Pregnancy
  • Research Design
  • Vagina


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