I've seen builders put the all the outlets for bathrooms on one circuit with the GFCI in one bathroom - typically the master bath. In my last house the outside

I've seen builders put the all the outlets for bathrooms on one circuit with the GFCI in one bathroom - typically the master bath. In my last house the outside outlets were on the GFCI with the outlets in the garage. Anything to save a few bucks as long as code allows it.