Original sentence: However, such concerns have largely been discredited,, since there are countless  women with lower back tattoos who have successfully undergone childbirth with epidurals and experienced no side effects.If possible, the anesthesiologist will choose non-tattooed skin through which to insert the needle
Edited sentence: However, such concerns have largely been discredited, since there are countless  women with lower back tattoos who have successfully undergone childbirth with epidurals and experienced no side effects.If possible, the anesthesiologist will choose nontattooed skin through which to insert the needle