- CLC stands for Certified Lactation Counselor, issued by the Academy of Lactation Policy and Practice (ALPP).
- The exam has two parts: a ~30-minute video-based practical Lactation Assessment Tool and a ~2-hour multiple-choice didactic section.
- Passing requires 75% on the didactic component and 100% on at least one practical video assessment.
- Total upfront cost is $120 ($20 application + $100 exam fee), before any training program cost.
What CLC Actually Means
CLC stands for Certified Lactation Counselor, a credential administered by the Academy of Lactation Policy and Practice (ALPP). It's a professional certification for people who want to provide evidence-based breastfeeding support - nurses, dietitians, doulas, health educators, and community health workers most commonly pursue it. If you've landed here after seeing "CLC" attached to something unrelated to lactation, that's a different credential entirely; everything on this page refers specifically to the ALPP Certified Lactation Counselor designation.
Because "CLC" is used by more than one certifying body across different industries, it's worth being precise from the start. This article, and the rest of CLC Certification content on this site, only discusses the lactation counseling credential. If you want a broader breakdown of the acronym itself, see CLC Meaning, What Does CLC Stand For?, and What Does CLC Mean?.
Who Issues the CLC and How the Exam Works
The CLC credential is issued by ALPP, and the exam itself is delivered online through the ALPP exam portal using Honorlock remote proctoring. You'll need a computer, a working webcam, valid identification, and - notably - an additional smartphone camera set up as a second angle for Honorlock to monitor the room. This isn't a walk-in testing-center exam; it's taken from wherever you have a quiet space and stable internet.
The exam is closed-book and administered in English. According to the official FAQ, candidates get up to three hours overall. The candidate handbook breaks that down into two distinct components taken in a specific order:
- Practical component first: a video-based Lactation Assessment Tool section, roughly 30 minutes, where you evaluate recorded breastfeeding scenarios.
- Didactic component second: a multiple-choice knowledge test, roughly two hours, covering the nine content domains.
To pass, you need at least 75% on the didactic multiple-choice section and a perfect 100% on at least one practical video assessment. Both components must be passed - a high score on one doesn't offset a miss on the other. For a full breakdown of exactly what this threshold means in practice, see CLC Passing Score 2026: Exactly What You Need to Pass.
Key Takeaway
Because the practical video assessment requires 100% on at least one attempt, treat it as seriously as the multiple-choice section - don't assume the didactic portion is the only thing worth prepping.
If you need a breastfeeding or expressing break during testing, ALPP does allow it, but only with advance approval, and it must occur between the two components rather than mid-section. Importantly, the break does not pause the exam clock, so factor that into your time planning if it applies to you.
Eligibility Pathways to Sit for the Exam
Not everyone can register for the CLC exam immediately - ALPP requires you to qualify through one of three pathways first:
- Comprehensive Course pathway: Complete an approved 95-hour lactation course worth at least three college credits, plus verified competency assessments.
- Aggregate pathway: Document 95 hours of qualifying lactation education completed within the previous year, along with supervised competency documentation.
- Alternate pathway: Graduate from a CAAHEP-approved postsecondary lactation consultant program and submit the required supporting documentation.
Whichever pathway you use, there's a clock attached: you must complete the exam within six months of finishing your Comprehensive course, or within six months of approval through the Aggregate or Alternate pathways. This makes timing your exam prep tightly with your training completion date important. For the full eligibility breakdown with documentation specifics, read CLC Requirements 2026: Eligibility, Prerequisites & How to Qualify, and for how the training hours themselves work, see CLC Training.
The Nine CLC Domains
The CLC exam content matrix organizes knowledge into nine official Topic Areas (referred to here as domains), layered against nine chronological periods of lactation and five general principles. Understanding the domains themselves is the fastest way to know what to study.
Domain 1: Long-term Breastfeeding
Covers sustaining breastfeeding beyond the early weeks, including toddler nursing, tandem feeding, and supporting continuation through returning to work or subsequent pregnancies.
- Extended nursing norms and counseling language
Domain 2: Maternal and Infant Nutrition
Nutritional needs of the lactating parent and the breastfed infant, including maternal diet, supplementation, and growth expectations.
- Recognizing nutrition-related feeding concerns
Domain 3: Nipple and Breast Problems
Engorgement, mastitis, thrush, plugged ducts, nipple trauma, and when to refer to a medical provider.
- Differentiating conditions requiring urgent referral
Domain 4: Latch-On and Positioning
Core hands-on skill area, heavily tested in the practical video component. Includes assessing positioning, latch quality, and correcting common issues.
- Visual recognition of effective vs. ineffective latch
Domain 5: Milk Supply, Formula Supplementation
Supply-and-demand physiology, perceived vs. actual low supply, and appropriate use of supplementation.
- Counseling around supplementation decisions
Domain 6: Commercial Products and Techniques
Pumps, nipple shields, feeding devices, and correct technique guidance for their use.
- Matching products to specific feeding challenges
Domain 7: Promotion of Breastfeeding
Public health messaging, community-level support strategies, and evidence-based promotion approaches.
- Communicating benefits without judgment
Domain 8: Weaning
Gradual and abrupt weaning guidance, timing considerations, and managing physical and emotional aspects.
- Weaning plans tailored to family circumstances
Domain 9: Special Circumstances, Maternal and Infant
Prematurity, multiples, medical complications, adoptive lactation, and other non-typical scenarios.
- Recognizing when a case needs specialist referral
For a deeper walkthrough of how these domains map to actual exam questions and the chronological periods layered underneath them, see CLC Exam Domains 2026: Complete Guide to All 9 Content Areas.
Fees, Timeline, and Recertification
Before you even sit for the exam, budget for ALPP's fee structure: a $20 application fee plus a $100 examination fee, for a total of $120. This is separate from whatever your 95-hour training course costs. A full cost breakdown, including how training expenses factor in, is available at CLC Certification Cost 2026: Complete Pricing Breakdown.
| Item | Detail |
|---|---|
| Application fee | $20 |
| Examination fee | $100 |
| Total before training | $120 |
| Recertification (early) | $102 |
| Recertification (regular) | $126 |
| Recertification (late, within permitted 3-month window) | $176 |
Certification is valid for three years, after which renewal requires 18 qualifying lactation-related continuing-education hours. The recertification fee scales depending on when you submit: early, regular, or the permitted three-month late period. Planning renewal early is the simplest way to avoid the higher late fee. For scheduling specifics around the exam itself - including how testing windows and deadlines work - see CLC Exam Dates 2026: Testing Windows, Deadlines & Scheduling.
Who Hires CLCs
The CLC credential is recognized across a range of maternal-child health settings. Common employers and practice environments include:
- Hospitals and birthing centers running lactation support programs
- Pediatric and OB/GYN practices adding lactation counseling services
- WIC programs and public health departments
- Private practice lactation counseling, often alongside doula or nursing work
- Nonprofit breastfeeding support organizations and community health initiatives
Many candidates already hold another healthcare or birth-work credential and add the CLC to formalize their lactation-specific competency. If you're weighing whether the credential fits your career plans, Is the CLC Certification Worth It? Complete ROI Analysis 2026 and CLC Salary Guide 2026: Complete Earnings Analysis go into more depth, and CLC Jobs covers the types of roles that typically list it as a preferred or required qualification.
A Domain-Smart Way to Prepare
Generic study advice - flashcards, timed blocks, spaced review - only helps if it's mapped to the actual structure of this exam. Since the didactic component requires 75% across all nine domains and the practical component demands a perfect score on at least one video assessment, your prep needs to weight both knowledge recall and applied visual judgment.
Foundational Domains
- Domain 2 (nutrition) and Domain 4 (latch-on and positioning) - build the physiology base everything else depends on
Clinical Problem-Solving
- Domain 3 (nipple/breast problems) and Domain 5 (milk supply, supplementation) - practice case-based reasoning
Applied and Practical Review
- Domain 6 (products/techniques) and repeated review of latch/positioning video examples to prepare for the practical component
Remaining Domains and Full Review
- Domains 1, 7, 8, 9 plus a full-length practice run under timed, closed-book conditions
Because the practical assessment is video-based and scored against a strict rubric, passive reading won't be enough - you need repeated exposure to latch and positioning scenarios before test day. For a structured week-by-week plan built entirely around this exam's format, see CLC Study Guide 2026: How to Pass on Your First Attempt. If you're still gauging difficulty before committing to a training pathway, How Hard Is the CLC Exam? Complete Difficulty Guide 2026 and CLC Pass Rate 2026: What the Data Shows are worth reading first. Practicing with realistic multiple-choice questions on our CLC practice test platform is one of the most direct ways to build the 75%+ comfort level the didactic section requires, and reviewing a condensed CLC Cheat Sheet 2026: One-Page Review of Must-Know Facts in your final week can help consolidate domain terminology before exam day.
Frequently Asked Questions
Certified Lactation Counselor, a credential issued by the Academy of Lactation Policy and Practice (ALPP). See What Is A CLC? for more on the role itself.
It has two components: a roughly 30-minute video-based practical Lactation Assessment Tool taken first, and a roughly two-hour multiple-choice didactic section taken second, for up to three hours total.
At least 75% on the didactic multiple-choice component and 100% on at least one practical video assessment. Both components must be passed independently.
A $20 application fee plus a $100 examination fee, totaling $120, not including the cost of your qualifying 95-hour training program.
Every three years, with 18 qualifying lactation-related continuing-education hours. Fees are $102 early, $126 regular, or $176 within the permitted three-month late period.