1. Introduction
Many mothers need to express milk for times when they are away from their baby. A consistent express-and-feed routine ensures that babies continue to get breast milk safely while mothers protect their supply.
2. Timing — When and How Often to Express
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Establishing supply (first 6 weeks):
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Express 8–12 times per day (same as baby would feed).
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Best times: early morning (milk volume often higher).
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After supply is established:
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Express every 3–4 hours during work/school separation.
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Try to match baby’s feeding schedule.
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If exclusive pumping:
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Maintain 8 sessions/day early on, then adjust to at least 6.
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Night sessions:
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At least 1 expression between midnight–5am supports prolactin surge.
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3. Containers — Collection and Storage
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Preferred containers:
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Clean, food-grade cups or glass/plastic bottles with tight lids.
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Special breast milk storage bags (designed for freezing).
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Labeling:
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Date, time, and baby’s name if for daycare/hospital use.
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Use oldest milk first (“first in, first out”).
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Low-resource options:
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Clean cup with secure cover.
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Avoid disposable plastic bags not designed for milk (risk of leaking/contamination).
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4. Storage Guidelines (WHO/CDC Aligned)
Location | Safe Duration |
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Room temp (≤25°C) | 4–6 hours |
Insulated cooler with ice packs | ~24 hours |
Refrigerator (≤4°C) | Up to 4 days |
Freezer (-18°C or lower) | 6 months (best within 3) |
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Never refreeze thawed milk.
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Thaw in fridge or in container placed in warm water (not boiling, not microwave).
5. Transporting Expressed Milk
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Cooler with frozen ice packs if transporting to daycare/workplace.
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Keep containers upright and sealed.
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Transfer to fridge/freezer immediately upon arrival.
6. Creating a Routine: Step-by-Step
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Plan daily schedule (work hours, feeding times, pumping breaks).
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Choose comfortable pumping spot (privacy, clean surface, handwashing available).
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Keep supplies ready: pump, storage containers, cooler bag, labels.
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Express at consistent times → keeps supply stable.
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Store safely → follow labeling and cold-chain rules.
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Transport properly → use cooler bag if traveling.
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Communicate with caregivers → teach safe thawing and feeding.
7. Feeding Expressed Milk
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Use cup, spoon, paladai, or bottle depending on age/resources.
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Practice paced bottle feeding if using bottles — prevents overfeeding.
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Warm milk gently in warm water, never boil or microwave.
End of Lecture Quiz
Q1. How many times per 24 hours should a mother express in the first weeks postpartum to establish supply?
A. 2–3 times
B. 4–5 times
C. 8–12 times
D. Once daily
Answer: C. 8–12 times
Rationale: Matches newborn feeding frequency and supports robust supply.
Q2. Which of the following is an unsafe practice?
A. Labeling milk with date and time
B. Transporting milk in cooler bag with ice packs
C. Thawing milk in hot water or microwave
D. Feeding milk by cup in low-resource settings
Answer: C. Thawing milk in hot water or microwave
Rationale: Microwaving or boiling destroys nutrients and creates dangerous hot spots.
Q3. True or False: Thawed breast milk can be refrozen if not fully used.
Answer: False
Rationale: Once thawed, milk must be used within 24 hours and never refrozen.
Curated Online Resources
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CDC — Proper Storage and Preparation of Breast Milk
https://www.cdc.gov/breastfeeding/breast-milk-preparation-and-storage/handling-breastmilk.html -
La Leche League — Pumping and Milk Storage
https://www.llli.org/breastfeeding-info/pumping-milk/ -
KellyMom — Exclusive Pumping and Storage Guidelines
https://kellymom.com/bf/pumpingmoms/pumping/milkstorage/ -
UNICEF — Breastfeeding Guidance
https://www.unicef.org/nutrition/infant-and-young-child-feeding
Key Takeaways
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A consistent pumping routine protects supply and ensures baby gets breast milk even when separated.
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Use safe containers, clear labeling, and proper storage/transport to prevent spoilage.
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Express at least 8–12 times/day early on, adjusting as baby grows.
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Safe feeding methods (cup, spoon, bottle with pacing) ensure baby gets milk without risks.
Call to Action
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Mothers: Start early to practice hand expression and plan storage routines before returning to work.
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Health workers: Teach safe milk storage and transport, especially in low-resource settings.
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Communities: Support mothers with clean storage options, workplace pumping breaks, and caregiver training.