Why Credentials Matter (but Are Not Everything)

You have decided you want a midwife. Great. Then you open your laptop and start digging, and suddenly there are letters everywhere: CNM, CM, CPM, LM. The differences are real but not always easy to spot at first glance.

Credentials tell you about a provider's training pathway, their legal scope of practice, and who holds them accountable professionally. That matters. But credentials alone do not capture a midwife's skill, experience, or how she actually shows up for you in the room. Treat them as your starting point, not your final answer.

Below, the four main midwifery credentials in the United States, explained so you can see which type of midwife might suit your care best.

CNM: Certified Nurse-Midwife

The Basics

A Certified Nurse-Midwife is a registered nurse (RN) who completed a graduate-level education program in nurse-midwifery accredited by the Accreditation Commission for Midwifery Education (ACME). CNMs are certified by the American Midwifery Certification Board (AMCB).

Education and Training

  • Bachelor's degree in nursing (BSN) or equivalent
  • Master's or doctoral degree from an accredited nurse-midwifery program
  • Extensive clinical hours covering prenatal care, labor and delivery, postpartum care, newborn care, and gynecological services
  • National certification exam

Where They Practice

CNMs can practice in virtually any setting:

  • Hospitals
  • Birth centers
  • Home births
  • Private practices and clinics
  • Community health centers

Scope of Practice

CNMs have the broadest scope of practice among midwife types:

  • Full prenatal, labor, birth, and postpartum care
  • Prescriptive authority in all 50 states (including controlled substances in most states)
  • Gynecological care including Pap smears, contraception management, and STI screening
  • Ordering and interpreting diagnostic tests
  • Primary care for women across the lifespan in some settings

Availability

CNMs are legally authorized to practice in all 50 states, the District of Columbia, and U.S. territories. They hold the most widely recognized midwife credential in the country.

Insurance

Most insurance plans, including Medicaid, cover CNM services. CNMs bill under their own provider numbers.

CM: Certified Midwife

The Basics

A Certified Midwife holds a graduate degree in midwifery but entered the field through a health-related discipline other than nursing. CMs are also certified by the AMCB and meet the same certification standards as CNMs. The entry pathway is the distinguishing factor: CMs hold a bachelor's degree in a field like biology or public health.

Education and Training

  • Bachelor's degree in a health-related field (biology, public health, etc.)
  • Master's or doctoral degree from an ACME-accredited midwifery program
  • Same clinical requirements and certification exam as CNMs

Where They Practice

CMs can practice in all the same settings as CNMs, but their legal authorization is more limited geographically.

Scope of Practice

The scope of practice for CMs is equivalent to CNMs:

  • Full pregnancy, birth, postpartum, and gynecological care
  • Prescriptive authority (in states where they are authorized)
  • Ordering and interpreting diagnostic tests

Availability

This is where CMs face their biggest challenge. As of now, CMs are only authorized to practice in a limited number of states, including New York, New Jersey, Rhode Island, Delaware, Hawaii, Maine, and a few others. Advocacy efforts are ongoing to expand CM recognition nationally.

Insurance

In states where CMs are authorized, insurance coverage is generally comparable to CNM coverage, though some plans may not yet recognize the credential.

CPM: Certified Professional Midwife

The Basics

A Certified Professional Midwife is certified by the North American Registry of Midwives (NARM). The CPM credential is specifically designed for midwives who specialize in out-of-hospital birth. It is the only midwifery credential that requires experience in out-of-hospital settings as part of its certification process.

Education and Training

CPMs can enter through multiple pathways:

  • MEAC-accredited direct-entry midwifery programs (typically three to four years)
  • Structured apprenticeship with an experienced midwife
  • Portfolio Evaluation Process (PEP) for experienced midwives

All pathways require:

  • Documented clinical experience including a specified number of births as primary midwife
  • Passing the NARM written examination
  • CPR and neonatal resuscitation certification

Where They Practice

CPMs primarily practice in:

  • Home birth settings
  • Freestanding birth centers
  • Some CPMs also work in community health settings

Scope of Practice

  • Prenatal, labor, birth, and postpartum care for low-risk pregnancies
  • Newborn assessment and care
  • Prescriptive authority is limited and varies by state (many CPMs do not have prescriptive authority)
  • Limited to out-of-hospital settings in most jurisdictions

Availability

CPM legality varies by state. Some states fully license and regulate CPMs, others allow practice without licensure, and a few states restrict or effectively prohibit CPM practice. Checking your state's current regulations is essential.

Insurance

Insurance coverage for CPMs is more variable than for CNMs. Some states require Medicaid to cover CPM services, and some private insurers do cover them, but reimbursement can be a challenge. Many CPMs offer direct-pay fee structures with payment plans.

LM: Licensed Midwife

The Basics

A Licensed Midwife holds a state-issued license to practice midwifery. The LM designation is a state credential rather than a national certification, which means its requirements and meaning vary from state to state.

Education and Training

Requirements depend on the state but typically include:

  • Completion of an approved midwifery education program (often direct-entry)
  • Supervised clinical experience
  • Passing a qualifying examination (often the NARM exam)
  • CPR and neonatal resuscitation certification

Where They Practice

  • Home birth settings
  • Freestanding birth centers
  • Some states allow broader practice settings

Scope of Practice

  • Prenatal, labor, birth, and postpartum care
  • Newborn assessment and early care
  • Prescriptive authority varies significantly by state
  • Practice restrictions (such as requiring physician collaboration) vary by state

Availability

The LM credential exists only in states that have created a licensing framework for direct-entry midwives. Not all states have done so.

Insurance

Coverage varies by state. In states with strong LM licensing frameworks, insurance coverage may be more accessible.

Side-by-Side Comparison

A quick side-by-side to help you compare:

Education Path

  • CNM: Nursing degree plus graduate midwifery program
  • CM: Health-related degree plus graduate midwifery program
  • CPM: Direct-entry program, apprenticeship, or PEP
  • LM: State-dependent (often direct-entry program)

Certifying Body

  • CNM: AMCB
  • CM: AMCB
  • CPM: NARM
  • LM: State licensing board

Practice Settings

  • CNM: Hospital, birth center, home, clinic
  • CM: Hospital, birth center, home, clinic (where authorized)
  • CPM: Home, birth center
  • LM: Home, birth center (state-dependent)

Prescriptive Authority

  • CNM: Yes, in all 50 states
  • CM: Yes, in authorized states
  • CPM: Limited, state-dependent
  • LM: Variable, state-dependent

Hospital Privileges

  • CNM: Yes
  • CM: Yes (where authorized)
  • CPM: Generally no
  • LM: Generally no

Insurance Coverage

  • CNM: Widely accepted
  • CM: Accepted in authorized states
  • CPM: Variable
  • LM: Variable

How to Choose the Right Midwife for You

So how do you actually decide? A few questions to guide your thinking:

Where Do You Want to Give Birth?

If you are planning a hospital birth, a CNM (or CM, where available) is likely your best fit, since they hold hospital privileges. If you are drawn to a birth center or home birth, all four credential types may be options depending on your state.

What Does Your State Allow?

Your state's regulations may narrow the field for you. Research which midwife types are licensed and authorized to practice where you live.

What Level of Medical Integration Do You Want?

If you value having a provider who can prescribe medications, order labs, and coordinate closely with the hospital system, a CNM or CM offers the most seamless integration. If you prefer a more autonomous, community-based model of care, a CPM or LM may align well with your preferences.

What Matters Most to You in a Provider Relationship?

The credential is just one factor. The individual midwife's experience, personality, communication style, and specific expertise matter enormously. A newer CNM and a seasoned CPM with 20 years of experience bring very different things to the table, regardless of credential type.

Beyond the Letters

Whatever credential your midwife holds, the things that tend to matter most to families are:

  • Feeling heard, respected, and genuinely cared for
  • Having a provider who communicates clearly and honestly
  • Knowing your midwife has strong clinical skills and good judgment
  • Feeling confident in the safety plan, including transfer protocols and collaborative relationships with physicians
  • Alignment in birth philosophy and approach to decision-making

The "best" midwife for you is the one whose training, experience, philosophy, and personality create a partnership where you feel safe, supported, and empowered.

If you are ready to start exploring your options, BAABY can help you connect with midwives of all credential types in your area, so you can have conversations, ask questions, and find the provider who feels right for your journey.