Chemicals used to clean nappies have been suggested as a cause of sudd
en infant death syndrome (SIDS). Parents of 393 cases and 1592 control
s were questioned about nappy cleaning procedures. Soaking in sterilis
ers followed by rinsing in water had a relative risk of 0 . 91 compare
d with other cleaning procedures. Nappy cleaning methods are not relat
ed to SIDS.