NHS: Baby weight and height (opens new window) is regularly monitored throughout their contacts with the Health Visitor, as well as receiving advice on providing a healthy lifestyle for the baby and family, and reducing the risks of obesity. It is normal for a baby to lose some weight in the first few days after birth, but most will get back to their birth weight by 2 weeks of age. Weighing your baby too often may cause unnecessary concern; below shows when babies should be weighed to monitor their growth. However, your Health Visitor may ask you to bring your baby to be weighed more often if they feel there is a need.
Frequency of weighingAge | No more than |
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2 weeks to 6 months | Once a month |
6 to 12 months | Once every 2 months |
Over 12 months | Once every 3 months |
There isn't an exact weight or height (or length) a baby should be. Your child's weight and height (or length) will be plotted on the in their 'RCPCH (Royal College of Paediatrics and Child Health): Growth charts (opens new window)', which is completed by the Health Visitor. The red books has more information about measuring babies and answers to some frequently asked questions by parents and carers can be found on Growth Chart Information (opens new window).