Contraceptive Technology

abortion active adolescents American associated avoid barrier become behavior bleeding blood breast cancer cancer cause cells cervical changes Chapter clinical combined common condoms consider continue contraceptive method counseling couples cycle decrease device diagnosis diaphragm disease dose drugs early effective emergency emergency contraception estrogen evaluation experience factors failure female fertility hormonal human important increase infection initial insertion intercourse interval lesions less levels male menopause menstrual method months normal Obstet Gynecol occur oral contraceptives ovarian ovulation pain patients pelvic period person pills planning possible practice pregnancy prevention problems production progestin protection rates recommended reduce reported reproductive health require risk screening sexual smear spermicide sterilization symptoms Table therapy tion transmission treated treatment trial United users uterine vaginal weeks woman women