CPMs have to apply for recertification every three years.- There are postgraduate midwifery programs ( for graduates with a relevant degree who wish to become midwives ) , accredited by the Accreditation Commission for Midwifery Education ( ACME ) , leading to the Certified Nurse Midwife ( CNM ) and Certified Midwife ( CM ) credentials , certified by the American Midwifery Certification Board ( AMCB ) , that are at the level of a master 's degree in midwifery ( MSc Midwifery ) .
The Certified Nurse Midwife and Certified Midwife credentials are equal to a bachelor 's degree in midwifery .