162,356 doctors were registered that year.
Step-by-step explanation:
The questions says, "34.8% of all registered doctors are females"
(Consider, total number of registered doctors as 
 )
)
that's, 
 of
 of 
 are female.
 are female.
and 
 of
 of 
 is 56,500.
 is 56,500.
Mathematically,


 doctors were registered that year.
 doctors were registered that year.