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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. Calendar-based contraceptive methods - Wikipedia

   en.wikipedia.org/wiki/Calendar-based...

   Even when used perfectly, calendar-based methods, especially the rhythm method, result in a high pregnancy rate among couples intending to avoid pregnancy. Of commonly known methods of birth control, only the cervical cap and contraceptive sponge have comparably high failure rates. This lower level of reliability of calendar-based methods is ...

4. 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.

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. 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 ...

7. Diaphragm (birth control) - Wikipedia

   en.wikipedia.org/wiki/Diaphragm_(birth_control)

   In 1940, one-third of all U.S. married couples used a diaphragm for contraception. The number of women using diaphragms dropped dramatically after the 1960s introduction of the intrauterine device and the combined oral contraceptive pill. In 1965, only 10% of U.S. married couples used a diaphragm for contraception. [48]