FREE ARDMS RDMS Abdomen (AB) Exam Guide 2026: Pass on First Try
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What is the normal sonographic appearance of the endometrium during the menstrual phase?
Rdms Ob Gyn Gynecology Category
Question · Easy
Complete 2026 ARDMS RDMS Abdomen (AB) exam guide: SPI prerequisite, content outline, prerequisite pathways, $300 AB fee, pass rate, 12-16 week study plan, liver/biliary/renal/aorta criteria cheatsheet, and 100% free practice questions.
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Crown-Rump Length (CRL) Measurement Window
First Trimester OB
Flashcard
Which ligament extends from the lateral aspect of the uterus to the pelvic sidewall and contains the uterine artery?
Question · Medium
Muscular pelvic organ that holds and nourishes a fetus during pregnancy.
Pelvic anatomy
Guess the Term
Exam Map, Physics, and Protocols
RDMS OB/GYN Exam Format and Blueprint
Study guide
Cheat sheet
In a premenopausal patient, what is the normal maximum anteroposterior diameter of the endometrium during the secretory phase?
Read the clue and guess the term in 6 tries.
Game
Intrauterine Gestational Sac (Early Pregnancy)
Which ovarian structure is identified sonographically as a small cystic structure typically measuring 2-3 cm that may contain a hyperechoic mural nodule (cumulus oophorus) at ovulation?
Organ that contains eggs and makes hormones such as estrogen and progesterone.
What is the normal position of the ovaries relative to the uterus in the adult female pelvis?
Yolk Sac Significance
During which phase of the menstrual cycle does the endometrium demonstrate the classic "trilaminar" or "three-line" sign?
Lower, narrow end of the uterus that opens into the vagina.
Ultrasound Physics for OB/GYN
What is the normal postmenopausal endometrial thickness threshold above which further evaluation is typically recommended?
Swap tiles to line up three of the same term.
Term Match
Nuchal Translucency (NT) Screening
The uterine artery typically branches from which major vessel?
Question · Hard
Benign smooth-muscle growth in the wall of the uterus.
What is the most common benign gynecologic tumor in women of reproductive age?
Ectopic Pregnancy Sonographic Clues
Which sonographic finding is characteristic of a submucosal leiomyoma?
First-trimester measurement taken along the longest straight line of the embryo to assess gestational age.
First trimester
Instrumentation, Artifacts, and Image Optimization
Adenomyosis is characterized sonographically by which of the following findings?
Flip two cards at a time to find matching terms.
Term Pairs
Embryonic Demise Criteria
What is the characteristic color Doppler finding in uterine arteriovenous malformation (AVM)?
Adjective for the back of the fetal neck, as in the translucency whose thickness is measured during first-trimester screening.
Which leiomyoma location is most commonly associated with reproductive complications including infertility?
Biparietal Diameter (BPD)
Second/Third Trimester OB
Degenerating leiomyomas may demonstrate which sonographic appearance?
Fetal head value obtained in the largest symmetrical axial plane, with calipers placed perpendicular to the midline falx.
Protocols and procedures
Exam Protocols and Documentation
Which type of uterine anomaly results from complete non-fusion of the mullerian ducts?
Find five hidden terms in a grid of letters.
Term Search
Head Circumference (HC)
What is the most common type of functional ovarian cyst?
Value obtained by dividing the uterus into four parts, measuring the deepest pocket in each, and adding the four numbers.
Second/third trimester
Which sonographic feature most strongly suggests malignancy in an ovarian mass?
Abdominal Circumference (AC)
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