per vaginam

adv

Etymology: Naturalized into medical English from neoclassical use of Latin in the professions. Exists in loanword form (retaining the Latin inflection, -am) and also in a further naturalized form with reanalysis in English morphology, per vagina = per + vagina, in parallel with other per + [English noun] constructions, such as per instructions or per statute.

1. Through the vagina, as (usually, more specifically) by the vaginal route of administration.