Why and How to Express Colostrum: A Complete Guide for Expecting Mothers
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Colostrum, often called “liquid gold,” is your baby’s first and most powerful source of nutrition. Produced in small amounts during late pregnancy and the first few days after birth, it is rich in antibodies, immune factors, and nutrients that help protect and nourish your newborn.
More mothers today are learning about antenatal colostrum expression, the practice of collecting colostrum before birth. But why is it done and how can it be done safely?
What is Colostrum?
Colostrum is the first form of breast milk produced by the body, usually beginning around 16 to 20 weeks of pregnancy and becoming more concentrated closer to birth.

It contains:
- High levels of antibodies (especially IgA)
- Immune supporting proteins like lactoferrin
- Growth factors that support gut development
- Highly concentrated nutrients in small volumes
It is often referred to as nature’s first vaccine due to its powerful immune boosting properties.
Singapore healthcare resources such as HealthHub highlight colostrum as an important first milk that supports newborn immunity and early development.
Why Express Colostrum Before Birth?
Antenatal colostrum expression is not necessary for everyone, but it may be recommended in certain situations.
1. Early feeding support for baby
Stored colostrum can be used if:
- Baby has difficulty latching
- Baby is born prematurely
- Mother and baby are temporarily separated after birth
Hospitals in Singapore such as Singapore General Hospital (SGH) and KK Women’s and Children’s Hospital (KKH) support breastfeeding initiation and the use of expressed breast milk when needed.
2. Blood sugar support for at risk babies
It may be especially helpful for babies born to mothers with:
- Gestational diabetes
- Planned induction or caesarean birth
Early colostrum feeding is commonly recommended in hospital protocols to support newborn blood sugar stability.
3. Confidence and preparation
Practising expression before birth can help mothers:
- Understand their breasts and milk flow
- Build confidence for breastfeeding
- Feel more prepared for postpartum feeding
How to Express Colostrum Safely
Always consult your healthcare provider before starting antenatal colostrum expression, especially if you have a high risk pregnancy.
1. Wash your hands
Start with clean hands to ensure safe collection and reduce contamination risk.
2. Gentle breast massage
Use soft circular motions over the breast to stimulate the milk ducts and encourage flow.
3. Hand Expression (Antenatal Expression of Colostrum)
Colostrum is best collected using hand expression, especially during antenatal colostrum expression, as only very small amounts are produced.
Steps:
- Form a “C” shape with your thumb and fingers around the areola
- Gently compress behind the breast tissue, not the nipple
- Release and repeat in a slow rhythmic motion
- Look for small drops of colostrum to appear
It is completely normal to collect only a few drops during antenatal expression. Colostrum is highly concentrated, so even small amounts are beneficial.
Collect using a sterile syringe or container and label clearly.
Important: Only practice antenatal expression if approved by your healthcare provider, especially if you are at risk of preterm labour or other pregnancy complications.
4. Collect the colostrum
Use sterile syringes or small sterile containers. Even tiny volumes are valuable.
5. Store properly
- Label with date and time
- Freeze immediately if not using right away
- Store in small amounts for easy use after birth
When NOT to express colostrum
Antenatal expression may not be suitable if you have:
- Risk of preterm labour
- Cervical complications
- Placenta previa or other high risk pregnancy conditions
Always seek medical advice before starting.
Key Takeaway
Colostrum may come in tiny amounts but its impact is powerful. Just a few drops contain antibodies, nutrients, and immune supporting factors that help give your baby the best possible start in life.
Every drop truly counts.
