Vasa Previa: The Role of Ultrasound in Preventing Perinatal Mortality

Learning Objective(s)
After watching this activity, you should be able to:

  • Define vasa previa and why it carries such a high risk of death to the baby;
  • Recognize which patients are at risk for vasa previa;
  • Understand the role of ultrasound in avoiding perinatal death from vasa previa;
  • Discuss the methods for screening and diagnosing vasa previa; and
  • Review the steps to avoid perinatal death from vasa previa.

Faculty: Yinka Oyelese, MD, FACOG

Available Credit: 1 AMA PRA Category 1 Credit(s)™/1 ARRT Category A credit(s). Upon completion of the learning activity, you will have 1 attempt to successfully pass the post-test with a score of at least 80% and claim your certificate.

AIUM Member: $0
Nonmember: $69

Join the AIUM today to access and earn for free.

Your fee includes access to the content and the opportunity to submit the CME test. 

As of August 1, 2020, you will have 1 attempt to successfully pass the post-test with a score of at least 80% and claim your certificate.

Components visible upon registration.

Release Date: 08/16/2023
Expiration Date: 08/15/2026

AMA PRA Category 1 Credit(s)™

The American Institute of Ultrasound in Medicine (AIUM) is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians.

The AIUM designates this internet activity enduring material for a maximum of 1 AMA PRA Category 1 Credit(s)™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

AIUM Ultrasound Practice Accreditation

This activity can be used to meet part of relevant AIUM Training Guidelines and/or maintenance credits for accreditation purposes. Learn more about AIUM Ultrasound Practice Accreditation here.

ARRT Category A Credit 

The AIUM is a Recognized Continuing Education Evaluation Mechanism (RCEEM) for the American Registry of Radiologic Technologists (ARRT). The AIUM is the owner and sponsor of this activity. This activity is approved by the AIUM for ARRT Category A credit. This CE activity may be available in multiple formats or from different CE sponsors. ARRT does not allow CE activities (e.g., Internet courses, home study programs, directed readings, live lectures) to be repeated for CE credit in the same CE biennium.

Additional Credit Information

  • American Registry for Diagnostic Medical Sonography (ARDMS). The ARDMS accepts AMA PRA Category 1 CME Credit(s)™.

Documenting CME Credits

All participants who pass the post-test have access to a CME certificate. The AIUM will submit credits to the ARDMS for active AIUM membership accounts with a valid ARDMS ID number. It is the participant’s responsibility to ensure credit accuracy and adherence to any audit requests.

Disclosure Policy

In accordance with the ACCME’s Standards for Integrity and Independence in Accredited Continuing Education, all individuals in control of content must disclose any financial relationship(s) or other relationship(s) held within the past 24 months. The AIUM implements a mechanism to identify and mitigate all conflicts of interest prior to delivering the educational activity to learners.

Disclosures for this Activity

  • Ashley McDermott, planner for this educational event, has no relevant financial relationship(s) with ineligible companies to disclose.
  • Yinka Oyelese, MD, FACOG, speaker for this educational event, Royalties or Patent Beneficiary from BMJ Best Practice 


Yinka Oyelese, MD, FACOG

Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA, USA

Yinka Oyelese, MD, Director of Obstetric Imaging at Boston's Beth Israel Medical Center/Harvard Medical School, is a specialist in high-risk pregnancy. With a medical degree from the University of Ibadan, Nigeria (1986), he did his ObGyn training in Nigeria before training in London, UK, under ultrasound pioneer, Professor Stuart Campbell. 

In 1999, he relocated to the US, where he completed an OBGYN residency at Georgetown University Hospital and fellowship training in Maternal Fetal Medicine at Robert Wood Johnson Medical School/Rutgers University. Dr. Oyelese's expertise focuses on prenatal ultrasound and pregnancy-related bleeding/placental disorders. He contributes to prominent journals and obstetrical textbooks, and has authored editorials for The American Journal of Obstetrics & Gynecology and Ultrasound in Obstetrics & Gynecology. A peer reviewer for over 30 medical journals, he lectures worldwide. Outside medicine, Dr. Oyelese is a photographer, musician, and record producer.