Wiktionary
vaginally
adv. Via the vagina.
Usage examples of "vaginally".
As for infertility, there had been few cases of it in the barns that could not be "cured" by two dessertspoonfuls of soda dissolved in a liter of warm water and administered vaginally prior to mating, to neutralize uterine acidity -- and I would have told Anastasia so forthwith, but I had come to learn, not to teach.
Ginny, however, more than appreciated the tiny absorbent material, vaginally inserted, that took away much of the problem of the monthly period.