NBME OB/GYN (NBME Obstetrics & Gynecology Subject Exam (Shelf)) — Free Online Mock Test
NBME Subject (Shelf) Exam · ~110 MCQ. Obstetrics & gynecology — prenatal care, labor & delivery, gynecologic disorders and oncology. · Official language: English.
NBME OB/GYN exam at a glance
NBME OB/GYN key facts & eligibility
| Conducting body | National Board of Medical Examiners (NBME). |
|---|---|
| Official website | nbme.org — Clinical Science Subject Exams ↗ |
| Mode | Computer-based, administered by the medical school (secure browser) or at a Prometric centre; scheduled at the end of the Obstetrics & Gynecology clerkship. |
| Frequency | Available year-round; each school schedules it at the end of the clerkship. |
| Scoring & marking | Typically around 110 single-best-answer clinical-vignette questions in about 2 hours 45 minutes, reported as a scaled score (national mean roughly 70, SD about 8) plus a national percentile. There is no fixed national pass mark — schools set their own standard. Separate from USMLE Step 2 CK. |
| Language | English. |
Who is eligible for NBME OB/GYN?
Enrolled medical students (mainly third-year clerkship students); administered through the school.
Last verified July 2026 against NBME — Clinical Science Subject Exams. Always confirm current details on the official website before you register.
NBME OB/GYN section breakdown
The NBME OB/GYN mock test on Wrexa Edge replicates the real exam's section structure — same names, same question count per section, same time limits. No inter-section breaks — the timer runs continuously.
-
NBME OB/GYN (50 Q)
NBME OB/GYN scoring & marking scheme
Strategy: NBME OB/GYN has no negative marking. Attempt every question — blank answers cost you potential marks but cannot pull your score down.
Scale: NBME OB/GYN (pass 700/1000).
How NBME OB/GYN is conducted
- Mode
- Test format
- Backtracking
- Mark for review
NBME OB/GYN time strategy
With 50 questions in 165 minutes, you have about 198 seconds per question on average. Successful candidates aim for the following pacing on each section:
- NBME OB/GYN (50 Q)
Wrexa Edge's analytics show your actual time-per-question after every mock so you can spot which sections you're losing time on.
NBME OB/GYN topics covered
Across the 50 Wrexa Edge variants of NBME OB/GYN, the following topics appear most often (sample distribution from one variant):
NBME OB/GYN (50 Q)
- Clinical Medicine · 25
- SAH Workup · 1
- PE Workup · 1
- Pulmonary TB · 1
- Variceal Bleed · 1
- H. pylori · 1
- Colorectal Cancer Screening · 1
- Pancreatitis · 1
NBME OB/GYN difficulty calibration
Advanced tier. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep.
NBME Subject (Shelf) Exam · ~110 MCQ. Obstetrics & gynecology — prenatal care, labor & delivery, gynecologic disorders and oncology. · Official language: English.
Verified content — Wrexa Edge's NBME OB/GYN bank has been deeply curated with real exam-aligned content (estimated 100% syllabus coverage).
How Wrexa Edge prepares you for NBME OB/GYN
- Real test-day interface
- 50 distinct variants
- Detailed analytics
- Spaced repetition (Notebook)
- Optional proctoring
- Free to start
Expert take: what NBME OB/GYN really tests
The NBME Obstetrics & Gynecology shelf is a roughly 110-question, 2-hour-45-minute exam covering prenatal care, labor and delivery, and the breadth of gynecology. Results are a scaled score plus percentile, with each school setting its own passing standard.
Preparation tips
- Work the free APGO UWise questions plus UWorld OB-GYN.
- Learn the standard obstetric management algorithms (labor stages, fetal tracings).
- Nail contraception and cervical-cancer screening guidelines — reliably tested.
⚠️ Common mistakes to avoid
- Confusing obstetric versus gynecologic management contexts.
- Skipping preventive and screening-guideline questions that appear on every form.
NBME OB/GYN study plan
A phase-by-phase roadmap from your first concept to test-ready. Stretch or compress each phase to fit the time you have before your attempt.
- Work the free APGO UWise questions and BRS Obstetrics & Gynecology
- Learn obstetric management algorithms (labor stages, fetal tracings)
- Cover contraception and cervical-cancer screening guidelines
- Do UWorld OB-GYN questions
- Distinguish obstetric vs gynecologic management contexts
- Cover benign and malignant gynecologic conditions
- Take an NBME self-assessment timed
- Re-drill screening and preventive guidelines
- Rest before test day
Where NBME OB/GYN can take you
A strong NBME OB/GYN result opens up these careers and higher-study paths:
- Clerkship grade & honors
- OB-GYN residency
- Women’s-health foundation
Best books & official prep for NBME OB/GYN
- BRS Obstetrics & Gynecology — Sakala / Pfeifer
- Case Files: Obstetrics & Gynecology — Toy et al.
- UWise (APGO) question bank — APGO
- UWorld Step 2 CK Qbank — UWorld
Official practice: NBME Clinical Science Mastery Series self-assessments are the most accurate score predictor.
Previous-year papers: NBME does not release past papers; official practice comes from the NBME self-assessments.
Frequently asked questions
- What is the NBME OB/GYN exam pattern?
- NBME Obstetrics & Gynecology Subject Exam (Shelf) contains 50 questions across 1 section: NBME OB/GYN (50 Q). Total duration is 165 minutes (about 198 seconds per question).
- Does NBME OB/GYN have negative marking?
- No — NBME OB/GYN has no negative marking. Each correct answer is worth 1 mark, so attempt every question.
- How is NBME OB/GYN scored?
- Scaled score range: 100 to 1000. NBME OB/GYN (pass 700/1000).
- How can I practise NBME OB/GYN online for free?
- Wrexa Edge gives you 10 free full-length NBME OB/GYN mock tests — with instant scoring, detailed explanations and analytics — plus 40 more with Pro. Start practising in under a minute, no card required.
- What is the difficulty level of NBME OB/GYN?
- NBME OB/GYN is rated Advanced difficulty on Wrexa Edge. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep. NBME Subject (Shelf) Exam · ~110 MCQ. Obstetrics & gynecology — prenatal care, labor & delivery, gynecologic disorders and oncology. · Official language: English.
- How long is the NBME OB/GYN exam?
- NBME OB/GYN runs for 165 minutes total. On Wrexa Edge the timer is enforced exactly as on the real exam — including no inter-section breaks.
- What topics are covered in NBME OB/GYN?
- NBME OB/GYN is split into: NBME OB/GYN (50 Q). Each section is timed and weighted separately. NBME Subject (Shelf) Exam · ~110 MCQ. Obstetrics & gynecology — prenatal care, labor & delivery, gynecologic disorders and oncology. · Official language: English.
- What tools or aids are allowed during NBME OB/GYN?
- No special tools are required. Note: real exam is proctored — Wrexa Edge mirrors this with a webcam-based proctoring flow you can enable.
- Is the NBME OB/GYN test adaptive?
- No — NBME OB/GYN is a fixed-form (linear) test. Every candidate sees the same number of questions per section.
- How many NBME OB/GYN mock tests does Wrexa Edge offer?
- Wrexa Edge generates 50 distinct NBME OB/GYN variants — each with different question content, not just shuffled options — the first 10 free for everyone and 40 more with Pro. That's 2500 unique practice questions in the real test-day interface.
- Is there a free NBME OB/GYN test series 2026?
- Yes. The Wrexa Edge NBME OB/GYN test series for 2026 gives you 10 free full-length mock tests (50 in total) plus subject-wise and topic-wise tests — instant scoring and detailed analysis, no card required.
- Are NBME OB/GYN previous year question–style papers included?
- Every NBME OB/GYN mock is modelled on the official exam pattern and the style of previous years' papers — the same 50-question structure, sections and marking — so your practice mirrors the real paper you'll sit.
- Which is the best free NBME OB/GYN mock test online?
- Wrexa Edge's NBME OB/GYN mock test replicates the real exam interface, timing and marking scheme, with instant score, section-wise analysis and 50 fresh variants — a strong free choice for 2026 preparation.
- Can I take the NBME OB/GYN mock test on mobile?
- Yes. NBME OB/GYN mock tests run in any browser on mobile, tablet or desktop — no app or download needed. Start on your phone and your progress and analytics sync when you sign in.
- What is the NBME OB/GYN syllabus?
- The NBME OB/GYN syllabus maps to its 1 section: NBME OB/GYN (50 Q). Wrexa Edge's mock tests cover the complete syllabus topic by topic — see the topics-covered breakdown above — so you practise every area at real exam difficulty.
- What is the eligibility for NBME OB/GYN?
- Eligibility for NBME OB/GYN — age, qualification and number of attempts — is set by the official conducting body and can change each cycle, so always confirm the current official notification before applying. Wrexa Edge focuses on realistic NBME OB/GYN practice: 10 free full-length mocks in the exact exam pattern, ready whenever you are.
- When is the NBME OB/GYN exam and how should I prepare?
- Official NBME OB/GYN exam dates are announced by the conducting body for each cycle — check the latest notification for the current schedule. To be ready, follow a phased study plan and take full-length timed mocks; Wrexa Edge gives you 10 free NBME OB/GYN mocks with instant scoring so you can track your readiness week by week.
Related exams & practice tests
Candidates preparing for NBME OB/GYN also practise these on Wrexa Edge:
Browse more: All Medical Licensing exams → · All United States exams → · Full exam catalog →
Ready to ace NBME OB/GYN?
Join thousands of candidates practising on Wrexa Edge. Free signup, 50 variants per exam, instant scoring.
Start practising free →