Logo of the National Institute for Health Research with NHS logo
Logo of the British Acupuncture Council with text and a blue wave graphic.
Pink text reading 'Pregnancy & Birth' on a white background.
Logo of Royal College of Obstetricians and Gynaecologists with a crest and shield, and the text 'Setting standards to improve women's health'.
Blue background with white text that says 'BMJ Open'
Logo of the Register of Chinese Herbal Medicine (RCHM) with text in English and Chinese.