ACR American College of Radiology  Standards including standards related to obstetric ultrasound and ultrasound of the
female pelvis (PDF downloads)

AIUM American Institute of Ultrasound in Medicine                                                     

AIUM standards for antepartum ultrasound

AIUM practice accreditation

ARDMS American Registry of Diagnostic Medical Sonographers  Search Directory

British Medical Ultrasound Society

EFSUMB European Federation of Societies for Ultrasound in Medicine and Biology

FMF Fetal Medicine Foundation  for nuchal translucency accreditation

FMF Canada- the fetal medicine foundation of Canada.  Includes an on-line method of NT certification

SUOG International Society of Ultrasound in Medicine International society devoted to ultrasound in obstetrics and

RSNA Radiological Society of North America

Genetics and Testing

Professional Genetic Societies

American Board of Genetic Counseling List

Genetic Societies

Genetic Alliance Online Directory of Genetic Resources

NSGC National Association of Genetic Counselors promotes the genetic counseling profession as a recognized and integral
part of health care delivery, education, research and public policy.

National Human Genome Research Institute

American Society of Clinical Pathologists

Obstetricians, Perinatologists, and Care Providers

SMFM Society of Maternal Fetal Medicine

ACOG American College of Obstetricians and Gynecologists

American Pediatric Surgical Association members

American Academy of Pediatrics

Surgical Section of the American Academy of Pediatrics