On 27 June 2013 18:06, Susan Burger <[log in to unmask]> wrote: > So Heather: > > The policy makers in the UK always seem to think that babies in the UK > don't grow like the rest of the world and object to standardized charts. Susan, not sure where you have got that from! Our charts are *identical* to the WHO charts, but they are presented in a very slightly different way, with the 50th centile line unemphasised, that's all :) I think we may have used UK specific typefaces or something as well....! I am pleased to say our policy makers welcomed the WHO charts and (in time) ditched the previous charts, based on data from the 'UK90' dataset which had some well-known limitations and drawbacks. UK babies have been measured with what we call UK/WHO charts since 2009 (2010 in Scotland). > A lot of very careful measurement and statistics went into determining > appropriate standards even in the first two weeks Maybe so - I was reflecting what we have been told, that the data used to produce the charts does not include data from babies aged 0-2 weeks. That's all. Babies who gain slowly compared to their peers need careful assessing - no doubt about that. My point only referred to Karleen's question of the Neifert 'cut off' for 'lactational insufficiency' defined as gaining less than 200g between ages 2 weeks and 4 weeks, and her later calculations from babies up to 23 days. . There are several reasons why a baby may gain less weight than this between 2 weeks and 4 weeks, and lactational insufficiency is only one of them, anyway! Heather Welford Neil NCT bfc, tutor, UK *********************************************** Archives: http://community.lsoft.com/archives/LACTNET.html To reach list owners: [log in to unmask] Mail all list management commands to: [log in to unmask] COMMANDS: 1. To temporarily stop your subscription write in the body of an email: set lactnet nomail 2. To start it again: set lactnet mail 3. To unsubscribe: unsubscribe lactnet 4. To get a comprehensive list of rules and directions: get lactnet welcome