Baby Growth Spurts

Black and white image of someone Weighing a baby in a cot

Let's talk baby growth spurts. 

Your new baby is growing fast with the first 6 weeks being the fastest rate of growth.  A newborn can have mini weekly growth spurts but the most dramatic and noticeable are at at around week 3,6 and 12.   

This is when a baby's appetite can ramp up massively and milk intake needs to step up per feed,  wake windows may need to increase between feeds or your newborn may become super sleepy and impossible to keep wake for a few days.  

During these periods of growth I would advise keeping to your feeding plan but increasing milk volumes per feed and either keep to or extend wake windows rather than adding in extra feeds and having shorter wake windows. This would only regress your routine, lower milk intake and sabotage sleep long term. 

When breastfeeding it's important to be aware of your milk supply and supplement when your baby is having a growth spurt, that's if your milk supply can't keep up.  It's normal for your milk supply to vary throughout the day and take a while to catch up with your baby's appetite and demand

Find out more about Establishing Breastfeeding and Lactation

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About the Author

I’m Charmian,

The Baby & Toddler Sleep Expert and founder of The Sleeping Baby Routine Consultancy.
With over 30 years of experience as a baby and toddler sleep consultant, I’ve supported thousands of families with newborn sleep, toddler sleep, feeding, lactation, digestion, weaning, routines and toddler behaviour. My approach is holistic, gentle and responsive, focusing on feeding, digestion, structured routines and positive sleep associations to help babies and toddlers develop healthy sleep habits that truly last. All support is tailored to your child’s age, development and individual needs, while following safe sleep recommendations and promoting age appropriate sleep practices.

I offer personalised and flexible support for families across London, throughout the UK and internationally through consultations, remote support, home visits and newborn home stays.