International guidelines
United Kingdom
Published by:National Institute for Health and Care Excellence
Last published:2023
North America
Published by:Society of Obstetricians and Gynaecologists of Canada
Last published:2022
Published by:American College of Obstetricians and Gynecologists
Last published:2020 (reaffirmed 2023)
Oceania
Published by:Society of Obstetric Medicine of Australia and New Zealand
Last published:2024
Published by:Te Whatu Ora / Health New Zealand
Last published:2022
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