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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. 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 ...

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. Family planning - Wikipedia

   en.wikipedia.org/wiki/Family_planning

   As a developing nation, the Chinese government was concerned that a continuation of the rapid population growth that had been occurring would hinder their development as a nation. The process of family planning varied throughout China, as people differed in their responsiveness to the one-child policy, based on location and socioeconomic status.

7. Birth control pill formulations - Wikipedia

   en.wikipedia.org/wiki/Birth_control_pill...

   All contain an estrogen, ethinylestradiol or mestranol, [1] [2] in varying amounts, and one of a number of different progestogens. (Regarding the estrogen, the inactive 3-methyl ether of ethinylestradiol, which must be metabolized by the liver into the active ethinylestradiol; 50 μg of mestranol is equivalent to only 35 μg of ethinylestradiol and should not be used when high-dose [50 μg ...