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  2. Birth control - Wikipedia

    en.wikipedia.org/wiki/Birth_control

    Levonorgestrel pills, when used within 3 days, decrease the chance of pregnancy after a single episode of unprotected sex or condom failure by 70% (resulting in a pregnancy rate of 2.2%). [11] Ulipristal, when used within 5 days, decreases the chance of pregnancy by about 85% (pregnancy rate 1.4%) and is more effective than levonorgestrel.

  3. History of birth control - Wikipedia

    en.wikipedia.org/wiki/History_of_birth_control

    During the same period Ali ibn Abbas al-Majusi (Persian) documented the use of pessaries made of rock salt for women for whom pregnancy may be dangerous. In the early 10th century the Persian Polymath Abu Ali al-Hussain ibn Abdallah ibn Sina (Persian), known in Europe as Avicenna, included a chapter on birth control in his medical encyclopedia ...

  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 oral contraceptive pill - Wikipedia

    en.wikipedia.org/wiki/Combined_oral...

    If used exactly as instructed, the estimated risk of getting pregnant is 0.3% which means that about 3 in 1000 women on combined oral contraceptive pills will become pregnant within one year. [40] However, typical use of combined oral contraceptive pills by users often consists of timing errors, forgotten pills, or unwanted side effects.

  6. Hormonal contraception - Wikipedia

    en.wikipedia.org/wiki/Hormonal_contraception

    Pills—combined and progestogen-only—are the most common form of hormonal contraception. Worldwide, they account for 12% of contraceptive use. 21% of users of reversible contraceptives choose COCPs or POPs. Pills are especially popular in more developed countries, where they account for 25% of contraceptive use. [48]

  7. Progestogen (medication) - Wikipedia

    en.wikipedia.org/wiki/Progestogen_(medication)

    [125] [81] Birth control pills containing high doses of ethinylestradiol (>50 μg) can increase SHBG levels by 5- to 10-fold, which is similar to the increase that occurs during pregnancy. [128] Conversely, increases in SHBG levels are much lower with estradiol, especially when it is used parenterally.

  8. Levonorgestrel-releasing implant - Wikipedia

    en.wikipedia.org/wiki/Levonorgestrel-releasing...

    A small amount of the hormone progestin is released through the capsules continuously, more during the first year and a half, but then at a level similar to most contraceptive pills afterward. Like all hormonal contraception, levonorgestrel-releasing implant does not protect against sexually transmitted infections .

  9. Levonorgestrel - Wikipedia

    en.wikipedia.org/wiki/Levonorgestrel

    Levonorgestrel is a hormonal medication which is used in a number of birth control methods. [3] [7] It is combined with an estrogen to make combination birth control pills. [8]As an emergency birth control, sold under the brand names Plan B One-Step and Julie, among others, it is useful within 72 hours of unprotected sex.