Numerous, and some of the most reliable, methods of contraception are available to women. The most effective are the hormonal methods that suppress ovulation, such as oral contraceptives (which must be taken daily) and time-release implants (which provide contraception for months to years depending on the method), followed by the intrauterine device (iuD), which prevents a fertilized egg from implanting in the uterus. Barrier methods include the female condom (sometimes called an intravagi- nal sheath), and in a more limited context the diaphragm and cervical cap. Tubal ligation and hysterectomy are permanent methods (sterilization). Buy Cigarettes ar7z (AED) 71 autonomic nervous system 229
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