IBCLC - International Board Certified Lactation Consultant The highest level of lactation certification. 

It requires up to 1,000 hours of clinical hands on lactation training, 95 hours of lactation specific education, a list of required science courses and passing an international certification exam. 

Maintaining the certification includes: continuing education requirements in lactation;

Recertification every 5 years. Holding this certification provides the ability to handle more complex breastfeeding scenarios.

CBS - Certified Breastfeeding Specialist-

Applicant must complete the 95+ hour Lactation Consultant Training Program, as well as the 52+ hour Core Lactation Consultant Course. Has passed the exam for these courses, and they have demonstrated the competencies and skills required to provide counseling, and breastfeeding support. Requires recertification every   5 years.

CLC - Certified Lactation Educator – Has completed a 52+ hour course and competency verification in breastfeeding. Valid for 5 years.  

CLC - Certified Lactation Counselor – Completed a 45 + hour course and competency verification in breastfeeding.  Valid for 3 years.