Pass Your OB/GYN Exam. Guaranteed.
Master obstetric and gynecologic sonography with comprehensive prep.
Prepare for the ARDMS OB/GYN specialty exam with Prepry's extensive question bank covering fetal anatomy, biometry, and gynecologic pathology.
SPI Exam Required
To earn your ARDMS credential, you must first pass the Sonography Principles & Instrumentation (SPI) exam. The SPI is a prerequisite for all ARDMS specialty exams.
Official Exam Information
RDMS OB/GYN Specialty
ARDMS • RDMS (OB/GYN)
165
Total Questions
150 scored + 15 pilot
3 hours
Exam Duration
180 minutes
$300
Exam Fee
USD
555
Passing Score
Scale: 300-700
Content Domains
Gynecology - Pelvic Anatomy and Physiology
Obstetrics - First Trimester
Obstetrics - Second/Third Trimester
Protocols and Procedures
Physics and Instrumentation
Retake wait period: 60 days • Max 3 attempts per year
Your Complete Study Kit
Why Students Pass with Prepry
Pass Guarantee
Complete 80% of OB/GYN questions and don't pass? We'll extend your subscription free until you do.
1,300+ OB/GYN Questions
Comprehensive coverage of obstetric and gynecologic sonography topics.
Video Lessons
Visual guides to fetal anatomy, biometry measurements, and gyn pathology.
125-Question Mock Exam
Full-length practice exam simulating the real ARDMS OB/GYN exam.
Track Your Progress
Monitor performance across OB and GYN topics separately.
Web, iPhone & Android
Study OB/GYN sonography anywhere—on any device.
Expert Video Lessons
Watch 37 video lessons (17.1 hours) taught by credentialed sonographers
Unit 1 Introduction to Gynecology and Pelvic Anatomy Pt 1
OB/GYN
Unit 1 Introduction to Gynecology and Pelvic Anatomy Pt 2
OB/GYN
Unit 2.1 Uterine Anatomy
OB/GYN
Unit 2.2 Uterine Anatomy
OB/GYN
Unit 3 Pt. 1 Uterine Pathology
OB/GYN
Unit 3 Pt. 2 Uterine Pathology
OB/GYN
37
Video Lessons
17.1+
Hours of Content
Expert
Credentialed Instructors
Success Stories
Learners Who Passed Their ARDMS® OB/GYN
“The fetal anatomy questions were incredibly detailed. I felt fully prepared for my exam.”
Sarah M.
RDMS (OB/GYN), New Graduate
“Prepry helped me master biometry measurements and normal values. Passed first try!”
Emily R.
RDMS, Sonography Student
“The gyn pathology section was exactly what I needed. Highly recommend!”
Rachel K.
RDMS (AB)(OB/GYN)
One Price. Every Exam.
Get unlimited access to all exams, questions, and features. Pass or extend free.
Everything included:
- Pass Guarantee — 3 extra months free if you don't pass
- All specialty exams included
- 14,615+ practice questions with detailed explanations
- Video lessons for complex topics
- Study reminders & exam countdown
- Available on Web, iPhone & Android
- Priority email support
Common Questions
Frequently Asked Questions
Related Exams
Other ARDMS Exams
Your subscription includes access to all ARDMS exams. Explore other credentials you can prepare for.
Ready to Pass Your ARDMS® OB/GYN?
Join 95,000+ learners who trust Prepry. Start your free trial today.