RDMS OB/GYN study materials
RDMS OB/GYN study resources

RDMS OB/GYN case studies

RDMS OB/GYN · Put your knowledge to work in context.

The Registered Diagnostic Medical Sonographer (RDMS) credential with an Obstetrics and Gynecology specialty is the ARDMS pathway for sonographers whose practice centers on pregnancy imaging and on gynecologic ultrasound of the uterus, ovaries, and adnexa. ARDMS is a member community of Inteleos, and its certifications are built around career-long learning, verified proficiency, and patient safety. The RDMS OB/GYN case studies are 5 cases and about 3,718 words.

1

A Sac That Isn't Quite Where It Should Be at 7 Weeks

A 34-year-old G2P1 presents at 7 weeks 2 days by last menstrual period with two days of mild left lower quadrant pain and no vaginal bleeding. Serum beta-hCG is 9,800 mIU/mL and rising appropriately.

750 words, about 4 min
2

A Small BPD at 33 Weeks in a Breech Fetus

A 29-year-old G1 at 33 weeks 0 days by a 9-week crown–rump length has a routine growth scan. The fetus is breech.

737 words, about 4 min
3

Painless Bleeding at 30 Weeks With Three Prior Cesareans

A 35-year-old G4P3 with three prior low transverse cesarean deliveries presents at 30 weeks 4 days with a painless episode of bright red vaginal bleeding that has now stopped. Hemoglobin is 10.8 g/dL and she is hemodynamically stable.

735 words, about 4 min
4

Acute Pelvic Pain 8 Weeks Postpartum With Normal Doppler Flow

A 24-year-old, 8 weeks postpartum, presents with sudden severe right lower quadrant pain, nausea, and vomiting that began 3 hours ago. She is afebrile and her white count is 11.2 × 10⁹/L.

724 words, about 4 min
5

A Shadowed Endometrium and a Request for Saline Infusion Sonography

A 42-year-old G2P2 with 8 months of heavy, irregular menses and secondary infertility has a transvaginal scan showing an anteverted, normal-sized uterus. A 2.5 cm densely calcified intramural fibroid in the anterior fundal myometrium produces a broad, clean acoustic shadow that completely obscures the endometrium on the sagittal view.

772 words, about 4 min