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2. Comparison of birth control methods - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_birth...

   Effectiveness of contraceptive methods with respect to birth control. Only condoms are useful to prevent sexually transmitted infections. There are many methods of birth control (or contraception) that vary in requirements, side effects, and effectiveness. As the technology, education, and awareness about contraception has evolved, new ...

3. Oral contraceptive pill - Wikipedia

   en.wikipedia.org/wiki/Oral_contraceptive_pill

   Oral contraceptives, abbreviated OCPs, also known as birth control pills, are medications taken by mouth for the purpose of birth control.The introduction of the birth control pill ("the Pill") in 1960 revolutionized the options for contraception, sparking vibrant discussion in the scientific and social science literature and in the media.

4. Topiramate - Wikipedia

   en.wikipedia.org/wiki/Topiramate

   Topiramate itself is a weak inhibitor of CYP2C19 and induces CYP3A4; a decrease in plasma levels of estrogens and digoxin has been noted during topiramate therapy. This can reduce the effectiveness of oral contraceptives (birth control pills); use of alternative birth control methods is recommended. [ 55 ]

5. Combined hormonal contraception - Wikipedia

   en.wikipedia.org/.../Combined_hormonal_contraception

   Combined hormonal contraception (CHC), or combined birth control, is a form of hormonal contraception which combines both an estrogen and a progestogen in varying formulations. [ 1 ] [ 2 ] The different types available include the pill , the patch and the vaginal ring , which are all widely available, [ 3 ] and an injection , which is available ...

6. Hormonal contraception - Wikipedia

   en.wikipedia.org/wiki/Hormonal_contraception

   [9] [10] According to Contraceptive Technology, none of these methods has a failure rate greater than 0.3% per year. [10] The SERM ormeloxifene is less effective than the steroid hormone methods; studies have found a perfect-use failure rate near 2% per year. [11] [12] Long-acting methods such as the implant and the IUS are user-independent ...

7. Emergency contraceptive availability by country - Wikipedia

   en.wikipedia.org/wiki/Emergency_contraceptive...

   Women can be refused service by providers, and it is disapproved of by church leaders. Many are secretive about contraceptive use. [37] [38] Cameroon: Africa: Cambodia: Asia: Canada: North America (except Saskatchewan) (LNG only) [39] [40] Canada (Quebec) North America [39] [40] Cape Verde: Africa: Possibly due to small population [2] Central ...