Vaginal douches are not an effective means of contraception because the douche may not touch the sperm, which enter the fallopian tubes 5 to 30 minutes after intercourse.
Vaginal douches are not an effective means of contraception because the douche may not touch the sperm, which enter the fallopian tubes 5 to 30 minutes after intercourse.
See p. 305
Vaginal douches are not an effective means of contraception because the douche may not touch the sperm, which enter the fallopian tubes 5 to 30 minutes after intercourse.
See p. 305