International guidelines

Rest of the world

Ectopic pregnancy and miscarriage: diagnosis and initial management[68]

Published by:National Institute for Health and Care Excellence

Last published:2021

ACR appropriateness criteria: abnormal uterine bleeding[89]

Published by:American College of Radiology

Last published:2020

ACR appropriateness criteria: first trimester vaginal bleeding[133]

Published by:American College of Radiology

Last published:2017

ACOG practice bulletin no. 175: ultrasound in pregnancy[71]

Published by:American College of Obstetricians and Gynecologists

Last published:2016 (reaffirmed 2022)

Ultrasound evaluation of first trimester complications of pregnancy[90]

Published by:Society of Obstetricians and Gynaecologists of Canada

Last published:2016

The investigation and treatment of couples with recurrent miscarriage[3]

Published by:Royal College of Obstetricians and Gynaecologists

Last published:2011

The investigation and treatment of couples with recurrent miscarriage[3]

Published by:Royal College of Obstetricians and Gynaecologists

Last published:2011

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