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  2. Birth control - Wikipedia

    en.wikipedia.org/wiki/Birth_control

    If either is taken during pregnancy, they do not increase the risk of miscarriage nor cause birth defects. [36] Both types of birth control pills prevent fertilization mainly by inhibiting ovulation and thickening cervical mucus. [40] [41] They may also change the lining of the uterus and thus decrease implantation. [41]

  3. Comparison of birth control methods - Wikipedia

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

    The failure rate of a copper IUD is approximately 0.8% and can prevent pregnancy for up to 10 years. The hormonal IUD (also known as levonorgestrel intrauterine system or LNg IUD) releases a small amount of the hormone called progestin that can prevent pregnancy for 3–8 years with a failure rate of 0.1-0.4%. [1]

  4. Progestogen-only pill - Wikipedia

    en.wikipedia.org/wiki/Progestogen-only_pill

    Depending on the presumed underlying cause of bleeding, medical management with progestogen-only pills, combined oral contraceptives, or tranexamic acid may be appropriate. One study found that 76% of patients who took oral medroxyprogesterone acetate (20 mg) for treatment of bleeding unrelated to pregnancy saw resolution of their bleeding. The ...

  5. Intrauterine device - Wikipedia

    en.wikipedia.org/wiki/Intrauterine_device

    Hormonal IUDs may also sometimes prevent ovulation. [22] [23] Copper IUDs do not contain any hormones, but release copper ions, which are toxic to sperm. They also cause the uterus and fallopian tubes to produce a fluid that contains white blood cells, copper ions, enzymes, and prostaglandins, which is also toxic to sperm. [22]

  6. Contraceptive implant - Wikipedia

    en.wikipedia.org/wiki/Contraceptive_implant

    A contraceptive implant is an implantable medical device used for the purpose of birth control.The implant may depend on the timed release of hormones to hinder ovulation or sperm development, the ability of copper to act as a natural spermicide within the uterus, or it may work using a non-hormonal, physical blocking mechanism.

  7. 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.

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