- AMCB awards the CM credential to accredited-program graduates who do not hold an RN license.
- The exam has 175 four-option questions in four hours, with a passing scaled score of 75.
- Initial exam fee is $425; each retake costs $350, with a 30-day wait before the first retake.
- Antepartum and Intrapartum each carry the largest domain weight at 21%.
What Is CM Certification?
Certified Midwife (CM) is a national certification credential issued by the American Midwifery Certification Board (AMCB). It is awarded through the same national certification examination used for the Certified Nurse-Midwife (CNM) credential, but the CM pathway is specifically designed for graduates of accredited midwifery programs who do not hold a registered nurse (RN) license. In other words, CM and CNM candidates sit for the identical exam content and structure; the credential label that follows simply reflects the candidate's nursing licensure status at the time of certification.
For anyone researching what is CM in the midwifery context, it's important to separate this credential from other unrelated acronyms that share the same two letters. This article, and the broader CM meaning discussion on this site, focuses exclusively on the AMCB-issued midwifery credential.
Who Administers the CM Exam
The American Midwifery Certification Board owns and governs the certification exam content, eligibility rules, and renewal policy. PSI, a third-party testing vendor, administers the computer-based exam at proctored testing centers. This division of labor matters practically: AMCB determines who is eligible and what the exam covers, while PSI handles scheduling, seat availability, check-in procedures, and delivery of the test itself.
Because AMCB periodically updates exam content to reflect current midwifery practice, the domain weights used today are based on the 2022 Task Analysis, effective since January 1, 2023. Anyone studying from older materials should confirm they reflect this current structure - a topic covered in depth in the CM Exam Domains 2026: Complete Guide to All 6 Content Areas.
Eligibility Requirements
CM eligibility is built around academic completion, not nursing licensure. Candidates must:
- Complete a graduate degree, or meet institutional graduate-degree requirements, through an ACME-accredited or pre-accredited midwifery program.
- Obtain program-director verification confirming successful completion of required coursework and clinical components.
- Receive an attestation of safe beginning-practitioner performance from the program.
Candidates then have four attempts within 24 months of program completion to pass the exam. If a first attempt is unsuccessful, a 30-day wait is required before the first retake; any subsequent retakes require a 90-day wait. This structure rewards focused, well-timed preparation rather than repeated quick attempts. A full breakdown of documentation and program-verification steps is available in the dedicated CM Requirements 2026: Eligibility, Prerequisites & How to Qualify guide.
Exam Format and Fees
The CM exam is a computer-based test consisting of 175 four-option multiple-choice questions, delivered within a four-hour time limit. Scattered throughout the exam are unidentified pretest items - questions used to evaluate future exam content that do not count toward the candidate's score but are indistinguishable from scored items during the test. Breaks are permitted, but the exam timer continues to run during any break, so candidates must plan pacing accordingly.
Calculators are prohibited during the exam, which means any necessary calculations must be handled without electronic assistance. Official results are issued directly at the testing center, so candidates typically learn their outcome before leaving the building.
| Exam Feature | Detail |
|---|---|
| Total questions | 175 (four-option multiple choice, includes unidentified pretest items) |
| Time limit | 4 hours (timer runs through breaks) |
| Passing score | 75 on AMCB's 0-100 scaled system |
| Initial fee | $425 |
| Retake fee | $350 per attempt |
| Attempt window | 4 attempts within 24 months of program completion |
| Calculators | Not permitted |
The Six Exam Domains
AMCB structures the CM exam around six clinical content domains, each weighted according to how frequently related knowledge and skills are applied in beginning midwifery practice. Understanding these weights is essential for allocating study time proportionally rather than evenly.
Domain 1: Antepartum (21%)
Covers assessment, screening, and management across the prenatal period, including risk identification and appropriate referral decisions.
- Routine prenatal visit content and timing
- Screening tests and interpretation of results
- Identifying findings that require collaboration or referral
Domain 2: Intrapartum (21%)
Covers labor and birth management, fetal assessment, and intervention decision-making during active labor and delivery.
- Labor progress evaluation and documentation
- Fetal heart rate pattern interpretation
- Recognizing complications requiring escalation
Domain 3: Postpartum (18%)
Focuses on maternal recovery, complication recognition, and postpartum education.
- Normal versus abnormal postpartum recovery signs
- Lactation support and common feeding issues
- Postpartum complication screening
Domain 4: Newborn (10%)
Covers immediate newborn assessment and early well-newborn care.
- Newborn transition assessment
- Common newborn findings and when to refer
Domain 5: Well Woman/Gyn (19%)
Covers gynecologic care outside of pregnancy, including preventive and problem-focused visits.
- Routine gynecologic exams and screenings
- Common gynecologic complaints and management
Domain 6: Women's Health/Primary Care (11%)
Covers primary care topics relevant to midwifery scope, including chronic condition awareness and preventive counseling.
- Basic primary care screening relevant to women's health
- Counseling and education across the lifespan
Notice that Antepartum and Intrapartum are tied as the largest domains at 21% each - together accounting for nearly half the exam. Candidates who under-prepare in either area take on disproportionate risk. For question-style examples and topic-by-topic breakdowns, see the full CM Exam Domains 2026: Complete Guide to All 6 Content Areas.
Passing Score and Retakes
AMCB reports results on a 0-100 scaled-score system, and the passing score is 75. This scaled score is not a raw percentage of questions answered correctly; it reflects a statistical adjustment across exam forms. Candidates researching exactly what the number 75 means in practice should review CM Passing Score 2026: Exactly What You Need to Pass for a detailed explanation.
According to AMCB's official 2025 combined CNM/CM data, first-time candidates passed at a rate of 74.5%, repeat candidates at 55.5%, and the overall combined rate was 69.8%. These figures underscore why first-attempt preparation matters - repeat attempts historically pass at a noticeably lower rate. A deeper analysis of what these numbers mean for study planning is available in CM Pass Rate 2026: What the Data Shows, and candidates weighing how demanding the exam truly is should read How Hard Is the CM Exam? Complete Difficulty Guide 2026.
Key Takeaway
Because retakes cost $350 and require a mandatory wait (30 days for the first retake, 90 days after that), it is significantly more efficient to invest extra preparation time before the first attempt than to plan on retaking.
Certification Period and Renewal
Once earned, CM certification runs through the fifth year after issue. Renewal is accomplished through one of two paths:
- Completing three maintenance modules plus 20 approved contact hours, along with annual fees, or
- Reexamination during year four or year five of the certification cycle.
This structure gives certified midwives flexibility in how they maintain their credential over time, whether through ongoing continuing-education activities or by periodically re-demonstrating competency on the exam itself.
Who Hires Certified Midwives
Certified Midwives practice across a range of clinical settings where midwifery-model care is delivered, including hospital-based birth centers, freestanding birth centers, and outpatient women's health and primary care clinics. Employers typically look for the CM credential alongside state licensure or authorization to practice, since scope of practice for CMs is determined at the state level in addition to national certification.
Because the exam domains mirror real clinical responsibilities - antepartum and intrapartum care, postpartum follow-up, newborn assessment, well-woman gynecologic care, and primary care topics - employers generally view the CM credential as evidence of readiness to practice across the full scope of midwifery-model care rather than a narrow specialty niche. For a broader look at career paths, compensation considerations, and typical job settings, see CM Jobs and CM Salary Guide 2026: Complete Earnings Analysis.
Candidates evaluating whether the credential is worth pursuing given program cost, exam fees, and career outcomes may also want to read Is the CM Certification Worth It? Complete ROI Analysis 2026.
Building a CM-Specific Study Plan
Generic study techniques such as spaced repetition or timed practice blocks are only useful when mapped onto the actual domain weights of this exam. Given that Antepartum and Intrapartum together represent 42% of content, and Well Woman/Gyn adds another 19%, a study plan should allocate roughly proportional time to these three domains before moving to Postpartum, Women's Health/Primary Care, and Newborn.
Antepartum and Intrapartum
- Review prenatal screening protocols and fetal heart rate pattern interpretation
- Work through timed practice questions mimicking the four-hour, 175-question format
Well Woman/Gyn and Postpartum
- Cover routine gynecologic screening and common postpartum complications
- Practice pacing without a calculator, since none is permitted on exam day
Newborn, Women's Health/Primary Care, and Full Review
- Close remaining gaps in the lower-weighted domains
- Take full-length timed practice exams to build stamina for the continuous four-hour session
For a structured, week-by-week walkthrough with more detail than fits here, the CM Study Guide 2026: How to Pass on Your First Attempt covers pacing strategy, question-review methods, and how to interpret practice-exam feedback. Pairing that guide with regular timed practice on our CM practice test platform helps candidates get comfortable with the exact four-option, four-hour format before test day.
For a condensed, last-review resource covering domain weights, passing score, and fee figures in one place, bookmark the CM Cheat Sheet 2026: One-Page Review of Must-Know Facts. And if you're still clarifying terminology before diving into study materials, the companion pieces What Does CM Stand For?, What Is A CM?, and What Does CM Mean? walk through the credential name and scope from different angles, while CM Certification and CM Training cover the broader program and training landscape.
Frequently Asked Questions
Yes. AMCB uses the same national certification examination for both credentials. The CM designation is issued to graduates of accredited midwifery programs who do not hold an RN license, while CNM is issued to those who do.
The exam contains 175 four-option multiple-choice questions, including scattered unidentified pretest items, and candidates are given four hours to complete it. Breaks are allowed, but the timer keeps running.
You need a scaled score of 75 on AMCB's 0-100 scoring system. This is a scaled score, not a raw percentage of correct answers.
The initial examination fee is $425. If a retake is needed, each subsequent attempt costs $350, with mandatory waiting periods of 30 days before the first retake and 90 days before later retakes.
Certification runs through the fifth year after it is issued. Renewal is completed through three maintenance modules plus 20 approved contact hours and annual fees, or by reexamination during year four or five.