Dear Magda, sorry I was short with you. I agree that the charts may be biased towards short bf or mixed. I think the newest ones have tried to be more balanced about this. > Does every country have its own charts? Good question!!! I don't know. I think WHO has a set too. Sincerely, Pat in SNJ *********************************************** The LACTNET mailing list is powered by L-Soft's renowned LISTSERV(R) list management software together with L-Soft's LSMTP(TM) mailer for lightning fast mail delivery. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html