If fingerprints are in blood or liquids,

 

If fingerprints are in blood or liquids,  how will this phenomenon  affect the matching of a crime scene fingerprint to an inked fingerprint on a fingerprint card. If so, are there any potential problems with making a successful fingerprint comparison. Are there any ways in which you can avoid them? What are the
ways in which you can treat photographic images of a “reversed” fingerprint to avoid problems with the comparison.