The providers I have seen have been reputable, classy, courteous, and above all clean. You are concerned about your health??? SO ARE THEY There is no shortage of providers, some are more health conscious than others. My advise is to select a reputable provider whose character is praised in the reviews. If you really need reassurance then ask. At worst they say no and you can move on. Be safe and have fun[EOM]

their "cleanliness" is correlated with their volume and "class"

i know girls that get tested once-a-month for the regular (lower-grade) STDs and about twice-a-year for HIV and more serious conditions/infections

but i think this MAY be a small % of all providers out there... the best thing is for YOU yourself to be vigilant at all times ... i've hobbied for ~15 years (on/off but mostly on!  and i've never contracted anything (short of a rash from too much friction)

always play safe ... always!