Received: 5 July 2021
Accepted: 7 November 2021
First Online: 1 December 2021
: Research ethics approval for the RUBY study (including this component) was obtained from La Trobe University (12–08), Royal Women’s Hospital (12/25), Western Health (HREC/12.WH/107) and Monash Health (12251B). The RUBY trial was registered with the Australian and New Zealand Clinical Trials Registry prior to commencement (ACTRN12612001024831). Eligible women were recruited by research midwives during their postnatal hospital stay at one of the trial sites and those who agreed to participate provided written consent prior to randomisation. Volunteers who provided peer support signed a Privacy and Confidentiality agreement before being allocated their first mother.
: Not applicable.
: The authors declare that they have no competing interests.