A certified nurse midwife is a registered nurse with advanced training in pregnancy, labor, and birth
A certified nurse midwife (CNM) is a healthcare provider who has completed a nursing degree, worked as a registered nurse, and then earned a master's degree or certificate in midwifery. CNMs are licensed to manage pregnancies, deliver babies, and provide postpartum care in hospitals, birth centers, and sometimes homes. They work within the medical system and can prescribe medications, order tests, and refer patients to doctors when complications arise.
The path to becoming a CNM takes years of education and clinical training. A person must first earn a registered nurse (RN) license, which requires passing the NCLEX-RN exam. After working as an RN, they enter a midwifery graduate program accredited by the Accreditation Commission for Midwifery Education (ACME). These programs typically take 18 months to three years and include classroom study plus supervised clinical hours attending births.
Once the graduate program is complete, the person must pass the American Midwifery Certification Board (AMCB) exam to earn the CNM credential. This certification must be renewed every five years, and CNMs must complete continuing education hours to maintain their license. The credential "CNM" appears after a midwife's name on their license and credentials.
Key Takeaways
- A certified nurse midwife is a registered nurse with a master's degree or certificate in midwifery and a passing score on the AMCB national exam.
- CNMs can manage low-risk pregnancies, deliver babies, prescribe medications, and order diagnostic tests within the scope of their license.
- CNMs work in hospitals, birth centers, and some home settings, and they refer patients to physicians when medical complications occur.
- Becoming a CNM requires an RN license, graduate-level midwifery education, and national board certification, a process that typically takes six to eight years total.
- CNM credentials are regulated by state boards of nursing and must be renewed every five years with continuing education requirements.
How CNM training differs from other nursing roles
A registered nurse works in many settings—hospitals, clinics, nursing homes—and provides general patient care under a doctor's supervision. A CNM, by contrast, has specialized training that allows them to work more independently within their scope of practice. While an RN follows a doctor's orders, a CNM can make clinical decisions about pregnancy management, order their own tests, and manage labor without a physician present.
The graduate midwifery program teaches anatomy and physiology specific to pregnancy and birth, pharmacology for obstetric medications, and the management of normal labor and delivery. Students also learn to recognize when a pregnancy or labor is moving outside normal limits and when to call a physician. This specialized knowledge is what distinguishes a CNM from a general RN who may have attended births as part of hospital work but has no formal midwifery training.
What CNMs can and cannot do
A CNM's scope of practice varies by state, but generally includes managing pregnancies from the first visit through six weeks after birth. CNMs can order prenatal tests, prescribe prenatal vitamins and medications, manage blood pressure and gestational diabetes screening, and attend vaginal deliveries. They can also perform certain procedures like episiotomy repair and newborn care when ready after birth.
CNMs cannot perform cesarean sections, manage high-risk pregnancies (such as those with preeclampsia or fetal abnormalities), or handle complications that arise during labor. When a patient's condition moves outside the CNM's scope—for example, if labor is not progressing or the baby is in an unusual position—the CNM calls an obstetrician or maternal-fetal medicine specialist. In some settings, a physician is present in the building; in others, the CNM works with an on-call doctor.
Where CNMs work and how they are regulated
CNMs practice in hospitals, freestanding birth centers, and in some states, home settings. Hospital-based CNMs often work alongside obstetricians in labor and delivery units. Birth centers are independent facilities designed for low-risk births and are staffed by CNMs, sometimes with a physician available for consultation. Home birth CNMs are licensed in fewer states and typically work with backup physician relationships for emergencies.
Each state's board of nursing sets the rules for what a CNM can do. Some states allow CNMs to practice independently; others require a collaborative agreement with a physician. A few states restrict CNM practice to hospitals or require physician supervision. Before seeking care from a CNM, it is worth checking your state's regulations to understand what that means for your care.
CNMs must hold a current RN license in their state and maintain their CNM certification through the AMCB. Certification renewal requires proof of continuing education, and many states also require CNMs to complete state-specific continuing education hours. A CNM who lets their certification lapse can no longer use the CNM credential, though they may continue to work as an RN.
CNMs versus certified midwives and lay midwives
The term "midwife" can refer to several different types of providers, and the credentials matter. A certified midwife (CM) is similar to a CNM but does not have a nursing background; instead, they complete a midwifery graduate program and pass the same AMCB exam. CMs are licensed in fewer states than CNMs and often have more limited scope of practice. A lay midwife or direct-entry midwife has completed midwifery training but may not be certified or licensed, depending on the state. Lay midwives are not regulated in most states and have no standardized training requirements.
If you are considering midwifery care, asking whether the provider is a CNM, CM, or lay midwife tells you about their training and credentials. CNMs have the most extensive education and are licensed in all 50 states. CMs are licensed in a smaller number of states. Lay midwives may be legal in your state but are not regulated, which means there is no may provide of training or accountability.
Insurance and payment for CNM services
Most insurance plans cover CNM services at the same rate as obstetrician services for pregnancy and birth. Medicare and Medicaid both reimburse CNMs for maternity care. However, coverage varies by plan and by state, so it is worth checking with your insurance company before scheduling care. Some birth centers that employ CNMs may not be in-network with your plan, which could affect your out-of-pocket costs.
If you are uninsured or underinsured, some birth centers and community health centers offer sliding-scale fees based on income. Asking about payment options when you call to schedule an appointment can help you understand the cost before you commit to care.
Frequently Asked Questions
Can a certified nurse midwife deliver my baby if I have a high-risk pregnancy?
No. CNMs are trained to manage low-risk pregnancies and births. If you have a condition like gestational diabetes, preeclampsia, multiple babies, or a previous cesarean section, you will need to see an obstetrician or maternal-fetal medicine specialist. Some CNMs work in collaborative practices where they see low-risk patients and refer high-risk patients to a physician.
Is a certified nurse midwife the same as a doula?
No. A doula is a trained labor support person who provides emotional and physical support during birth but does not deliver babies or perform medical tasks. A CNM is a licensed healthcare provider who manages pregnancy and delivers babies. Some people hire both a CNM and a doula for their birth.
Do I need a doctor's referral to see a certified nurse midwife?
Most CNMs can be seen without a referral, though some insurance plans require one. Call your insurance company or the CNM's office to ask whether a referral is needed for your plan. If you are seeing a CNM in a hospital or birth center, you can usually schedule directly.
What happens if something goes wrong during labor with a CNM?
If a complication arises during labor—such as the baby being in an unusual position, labor not progressing, or signs of fetal distress—the CNM calls an obstetrician. In hospital settings, a doctor is usually available quickly. In birth centers, the CNM arranges emergency transport to a hospital. This is why CNMs work only with low-risk pregnancies and have backup physician relationships.
Can a certified nurse midwife prescribe medication?
Yes. CNMs can prescribe medications within their scope of practice, including prenatal vitamins, antibiotics for infection, and medications to manage labor. The specific medications a CNM can prescribe vary by state law. Ask your CNM what medications they can prescribe and what requires a physician's order.