A protective sheath for use within a vaginal canal of a female user, the protective sheath including a flexible tubular body having a body medial portion disposed between a body closed end portion and a body open end portion; and an annular flange extending radially outward from the body open end portion, the annular flange terminating in an annular flange edge having a generally elliptical annular flange edge perimeter, whereby the generally elliptical annular flange edge perimeter configures to overlay a portion of a vulva of the female user.