Sap is flowing from a pruning cut on my maple tree. Should I be concerned?

FAQ
Question: 

Sap is flowing from a pruning cut on my maple tree. Should I be concerned?

Answer: 

Some tree species, such as maple, birch, and elm, “bleed” heavily when pruned in late winter or early spring.  However, the loss of sap does not harm the trees.  The trees will not “bleed” to death.  Eventually the flow of sap will slow and stop.