Its a 1./. possibly But I seriusly think about it ask yourself what cant you remember at 30months. Some children have good meomories some dont Childre are much more reasilent than adults are and they tend to forget details esp babies toddlers. if this unpleasant experinace happened numerous times then I would be concerned. If this doesent help your concern seek out your pediatrian or a professional who can tell you more about. Most toddlers memories are repressed due to their brain maturing.quickly. a child will have lots of good experiances make up for the bad one Hope this helpp child memory online