International guidelines

Rest of the world

Prenatal screening for Down syndrome, trisomy 18, and open neural tube defects[102]

Published by:British Columbia Prenatal Genetic Screening Program

Last published:2025

Folic acid supplementation to prevent neural tube defects[50]

Published by:US Preventive Services Task Force

Last published:2023

ACR-ACOG-AIUM-SMFM-SRU practice parameter for the performance of standard diagnostic obstetrical ultrasound[73]

Published by:American College of Radiology; American College of Obstetricians and Gynecologists; American Institute of Ultrasound in Medicine; Society for Maternal Fetal Medicine; Society of Radiologists in Ultrasound

Last published:2023

Prevention, screening, diagnosis, and pregnancy management for fetal neural tube defects[67]

Published by:Society of Obstetricians and Gynaecologists of Canada

Last published:2021

Guidelines for the care of people with spina bifida[77]

Published by:Spina Bifida Association

Last published:2018

Practice bulletin no. 187: neural tube defects[60]

Published by:American College of Obstetricians and Gynecologists

Last published:2017 (reaffirmed 2025)

Committee opinion no. 720: maternal-fetal surgery for myelomeningocele[103]

Published by:American College of Obstetricians and Gynecologists

Last published:2017 (reaffirmed 2022)

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