Our M-300 Baby Scale is perfect for lactation consultants

Weight loss in babies is normal, but extreme weight loss can cause severe health issues with babies and can be fatal – which is why lactation consultants need a scale they can trust.

Due to fluid loss, babies lose weight in the first few days of their life.



Many hospitals identify a 10% weight loss from birth as ok, however recent studies indicate that a 7% decrease in weight may be more normal.

By the time they reach 14 days old they should have regained their birth weight.

Weighing from an accurate scale is one of several tools to assess growth and well being. There is no nationally agreed protocol, however it is recommended that weighing is frequent enough to pick up problems with feeding, especially during their first two weeks.

If weight loss is extreme (greater than 12%) it can be accompanied by dehydration and possible hypernatremia (high sodium levels). Brain cells are particularly at risk, and hypernatremic dehydration can cause fits and make the baby behave abnormally – and this can be fatal – which is why lactation consultants need a scale they can trust.

Little Bellies Lactation

The Marsden M-300 has been the scale of choice for lactation consultants to keep track of a baby’s weight. In our latest case study, Carolyn Hose of Little Bellies Lactation explained why.

“I’m a IBCLC (board certified lactation consultant) using the scale to keep track of an infant’s breast milk intake and track the weight of the baby to determine optimal growth while breastfeeding.”

She concluded, “The scale is also very accurate - to hospital standard - and is half the price which we expected to pay.”

You can read the full case study by clicking here.

About the Marsden M-300

This baby scale is highly accurate with graduations to 2g, so is able to track the smallest changes in a baby's weight before and after feeding.

Lightweight and portable, this scale is powered by AA batteries and has a CC-400 Carry Case available as an extra to make transporting the scale simple.

The Tare function also benefits lactation consultants, as it means the weight of a towel or blanket can be easily removed, and an accurate weight still displayed.

View the Marsden M-300 here. Our full range of baby scales are available here.

For more information about the M-300, call us on 01709 364296 or contact us here.

Average Weight Gain for Breastfed Babies

Baby’s Age Average Weight Gain 1 Average Weight Gain 1 Average Weight Gain 2,3 Average Weight Gain 2,3
0-4 months 155 – 241 grams per week 5.5 – 8.5 ounces per week 170 grams per week 5 – 7 ounces per week
4-6 months 92 – 126 grams per week 3.25 – 4.5 ounces per week 113 – 142 grams per week 4 – 5 ounces per week
6-12 months 50 – 80 grams per week 1.75 – 2.75 ounces per week 57 – 113 grams per week 2 – 4 ounces per week

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