CLC Certification
Exam Preparation Guide
Certified Lactation Counselor (CLC) — Complete Study Edition |
■ Breast Anatomy & Physiology
■ Lactation & Milk Production
■ Infant Feeding, Assessment & Latch
■ Common Challenges, Medications & Substances
■ Public Health, Policy & Advocacy
■ Health Outcomes & Benefits of Breastfeeding
Professionally
362 Study Cards 7 Core Topics Formatted 2025–2026 Edition
This document is an independently prepared study reference for CLC examination candidates.
Content has been professionally formatted and reviewed for accuracy. Not affiliated with or
endorsed by ALPP or any certifying body. For educational use only.
,About This Guide
This CLC Certification Exam Preparation Guide is a comprehensive study resource designed for
candidates preparing for the Certified Lactation Counselor (CLC) examination administered by the
Academy of Lactation Policy and Practice (ALPP). It covers the full breadth of lactation knowledge
assessed in the CLC examination, presented in a clear, accessible Q&A and flashcard format.
The content has been professionally formatted, grammar-corrected, and organised into logical topic
sections to support efficient, structured study. Each entry presents a question or clinical scenario
alongside a detailed, verified answer.
What This Guide Covers
• Breast Anatomy & Physiology — Breast structure, glandular tissue, nipple types, nerve supply, and
anatomical considerations affecting lactation.
• Lactation & Milk Production — Stages of lactogenesis, hormonal control (prolactin, oxytocin), milk
composition, feedback inhibitor of lactation (FIL), and factors affecting supply.
• Infant Feeding, Assessment & Latch — Feeding cues, latch technique, newborn weight
assessment, hypernatremia, supplementation guidelines, and jaundice management.
• Common Challenges, Medications & Substances — Engorgement, mastitis, sore nipples,
tongue-tie, low supply, galactagogues, medications, cannabis, nicotine, and substance safety during
breastfeeding.
• Public Health, Policy & Advocacy — WHO/UNICEF strategies, the International Code,
Baby-Friendly Hospital Initiative (BFHI), breastfeeding legislation, global trends, and the role of CLCs
and IBCLCs.
• Health Outcomes & Benefits of Breastfeeding — Immune protection, SIDS reduction, cognitive
development, maternal health benefits, and the gut microbiome.
How to Use This Guide
This guide contains two types of study entries:
Q&A Format: A direct question followed by a complete answer. Read the question, formulate your answer,
then check below.
Flashcard Format: A clinical clue or description is presented. The answer identifies the term or concept.
Cover the answer and identify the topic from the clue.
Exam Study Tips
✓ Study all sections — the CLC exam draws questions from every domain of lactation practice.
,✓ Pay special attention to clinical scenarios involving latch assessment, weight loss thresholds, and
engorgement management.
✓ Memorise key numerical values: 7% maximum weight loss, birth weight regained by 14 days, 8–12
feeds per 24 hours, 6+ wet diapers after day 5.
✓ Understand the difference between breastfeeding jaundice (insufficient intake) and breast milk
jaundice (mature milk composition).
✓ Review ABM protocols, AAP guidelines, and WHO/UNICEF strategies referenced throughout this
guide.
✓ Use the flashcard sections to test your ability to identify conditions and concepts from clinical
descriptions.
This guide has been professionally formatted from original exam preparation content. All typos and grammatical errors
have been corrected. Content is for study purposes only.
, Table of Contents
41
01 Breast Anatomy & Physiology entries
35
02 Lactation & Milk Production entries
60
03 Infant Feeding, Assessment & Latch entries
17
04 Common Challenges, Medications & Substances entries
24
05 Public Health, Policy & Advocacy entries
21
06 Health Outcomes & Benefits of Breastfeeding entries
164
07 General & Miscellaneous entries
CLC Certification Exam Preparation Guide • Page 4
Exam Preparation Guide
Certified Lactation Counselor (CLC) — Complete Study Edition |
■ Breast Anatomy & Physiology
■ Lactation & Milk Production
■ Infant Feeding, Assessment & Latch
■ Common Challenges, Medications & Substances
■ Public Health, Policy & Advocacy
■ Health Outcomes & Benefits of Breastfeeding
Professionally
362 Study Cards 7 Core Topics Formatted 2025–2026 Edition
This document is an independently prepared study reference for CLC examination candidates.
Content has been professionally formatted and reviewed for accuracy. Not affiliated with or
endorsed by ALPP or any certifying body. For educational use only.
,About This Guide
This CLC Certification Exam Preparation Guide is a comprehensive study resource designed for
candidates preparing for the Certified Lactation Counselor (CLC) examination administered by the
Academy of Lactation Policy and Practice (ALPP). It covers the full breadth of lactation knowledge
assessed in the CLC examination, presented in a clear, accessible Q&A and flashcard format.
The content has been professionally formatted, grammar-corrected, and organised into logical topic
sections to support efficient, structured study. Each entry presents a question or clinical scenario
alongside a detailed, verified answer.
What This Guide Covers
• Breast Anatomy & Physiology — Breast structure, glandular tissue, nipple types, nerve supply, and
anatomical considerations affecting lactation.
• Lactation & Milk Production — Stages of lactogenesis, hormonal control (prolactin, oxytocin), milk
composition, feedback inhibitor of lactation (FIL), and factors affecting supply.
• Infant Feeding, Assessment & Latch — Feeding cues, latch technique, newborn weight
assessment, hypernatremia, supplementation guidelines, and jaundice management.
• Common Challenges, Medications & Substances — Engorgement, mastitis, sore nipples,
tongue-tie, low supply, galactagogues, medications, cannabis, nicotine, and substance safety during
breastfeeding.
• Public Health, Policy & Advocacy — WHO/UNICEF strategies, the International Code,
Baby-Friendly Hospital Initiative (BFHI), breastfeeding legislation, global trends, and the role of CLCs
and IBCLCs.
• Health Outcomes & Benefits of Breastfeeding — Immune protection, SIDS reduction, cognitive
development, maternal health benefits, and the gut microbiome.
How to Use This Guide
This guide contains two types of study entries:
Q&A Format: A direct question followed by a complete answer. Read the question, formulate your answer,
then check below.
Flashcard Format: A clinical clue or description is presented. The answer identifies the term or concept.
Cover the answer and identify the topic from the clue.
Exam Study Tips
✓ Study all sections — the CLC exam draws questions from every domain of lactation practice.
,✓ Pay special attention to clinical scenarios involving latch assessment, weight loss thresholds, and
engorgement management.
✓ Memorise key numerical values: 7% maximum weight loss, birth weight regained by 14 days, 8–12
feeds per 24 hours, 6+ wet diapers after day 5.
✓ Understand the difference between breastfeeding jaundice (insufficient intake) and breast milk
jaundice (mature milk composition).
✓ Review ABM protocols, AAP guidelines, and WHO/UNICEF strategies referenced throughout this
guide.
✓ Use the flashcard sections to test your ability to identify conditions and concepts from clinical
descriptions.
This guide has been professionally formatted from original exam preparation content. All typos and grammatical errors
have been corrected. Content is for study purposes only.
, Table of Contents
41
01 Breast Anatomy & Physiology entries
35
02 Lactation & Milk Production entries
60
03 Infant Feeding, Assessment & Latch entries
17
04 Common Challenges, Medications & Substances entries
24
05 Public Health, Policy & Advocacy entries
21
06 Health Outcomes & Benefits of Breastfeeding entries
164
07 General & Miscellaneous entries
CLC Certification Exam Preparation Guide • Page 4
