CROWN is a journal led initiative concerned with reporting, disseminating and implementing COS in women’s and newborn health. To contact us email

If you would like to receive email updates on CROWN’s operation and partnerships, outcome variation and COS development in women’s and newborn health email To be added to our mailing list you will be asked to confirm your name, role and email address. We will use your role to ensure we send you any relevant subject specific updates. Additionally, for matters specific to editors of CROWN journals, we will only contact editors of CROWN journals.

If you change your mind and would no longer like to be contacted by CROWN please contact

For more information about how we store and use your details please visit our privacy policy page and also our data protection policy page.

If you are a core outcome set developer looking for methodological advice we recommend using resources provided by the COMET Initiative.

The following COS developers are happy to be contacted with queries related to developing a COS in women’s and newborn health:

Dr Natalie Cooper:
Dr James Duffy: