Acknowledgements
RECRUITMENT
We thank all enrolled women for their conscientious participation. We appreciate the wisdom and advocacy provided by the Data Safety and Monitoring Committee (DSMC) chaired by Hubert Wong, PhD of the University of British Columbia, Vancouver, Canada; Leora Swartzman PhD of Western University, London, Ontario, Canada; and Nanette Santoro MD, University of Colorado, Denver, Colorado, USA. Thanks are also due to Drs. Shirin Kalyan (basic scientist), Sandra Sirrs (endocrinologist), Elana Brief (women’s health researcher) and Carolyn Ferris (family physician) for their study support and assistance in recruitment as well as to Drs. Azita Goshtasebi and Carol Herbert (family physicians) for current manuscript feedback. We thank the Canadian Institutes for Health Research (#MOP106644) for funding. We further appreciate the arms-length provision of oral micronized progesterone (Prometrium®) and identical placebo by Besins Healthcare International® plus their UBC donation that allowed extension of the trial for further year. Finally, we are grateful to Dharani Kalidasan, MSc, CeMCOR Coordinator, for creating Figure 