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I'm curious what preterm (or infant) growth charts are in typical use in your part of the world? I'm a neonatologist in the U.S. and my personal observation is that local U.S. East coast practice seems to use primarily the Fenton 2013 and Olsen 2010 intrauterine growth charts as targets for extrauterine growth. (For infants and children, it's a mixture of WHO and U.S. CDC charts.) I maintain a set of freely accessible web-based growth chart calculators (PediTools) which have been generally popular (~600,000+ page views per month) but have noticed that my primary traffic is from North America. This leads me to wonder whether other parts of the world use different growth charts for their preterm babies, and what tools they use to determine percentiles / Z-scores? And if there aren't satisfactory tools already available, whether I should look into making available other growth charts? Anyone care to share their thoughts?
Hi colleagues, In the past few years the assessment of growth in the newborn has been updated significantly. In the US, we use Fenton for preterm < 35weeks, CDC and WHO for late-preterm and term babies. I have . WHO for uses growth charts for 0-24 months and does not consider GA at birth, , so babies could easily be over-classified by SGA, or LGA if GA at birth is not used. For example: using medcal interactive growth charts (CDC-based); a newly born male at 37weeks who weight 2600grams is classify as AGA between 25th and 50th%tile. A baby with same BW, but with a GA at birth of 41 weeks (term) will be considered SGA (<10t%tile) with medcal. but AGA based on WHO; since they do not stratify babies by GA. 1- what is your current practice to classify preterm or term babies based on BW? 2- what growth charts are you using? Thank you for any imput, references will be greatly appreciated
What do you think of this paper: International standards for newborn weight, length, and head circumference by gestational age and sex: the Newborn Cross-Sectional Study of the INTERGROWTH-21st Project http://www.thelancet.com/journals/lancet/article/PIIS0140-6736%2814%2960932-6/abstract http://www.newscientist.com/article/dn26167-all-newborns-should-be-similar-size-in-ideal-conditions.html