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  2. Contraceptive patch - Wikipedia

    en.wikipedia.org/wiki/Contraceptive_patch

    A contraceptive patch, also known as "the patch", is a transdermal patch applied to the skin that releases synthetic oestrogen and progestogen hormones to prevent pregnancy. They have been shown to be as effective as the combined oral contraceptive pill with perfect use, and the patch may be more effective in typical use.

  3. Transdermal patch - Wikipedia

    en.wikipedia.org/wiki/Transdermal_patch

    The patch is labelled with the time and date of administration as well as the administrator's initials. Microneedle patch size comparison [1] A transdermal patch is a medicated adhesive patch that is placed on the skin to deliver a specific dose of medication through the skin and into the bloodstream. An advantage of a transdermal drug delivery ...

  4. Hormonal contraception - Wikipedia

    en.wikipedia.org/wiki/Hormonal_contraception

    For women not using ongoing hormonal contraception, COCPs may be taken after intercourse as emergency contraception: this is known as the Yuzpe regimen. COCPs are available in a variety of formulations. [citation needed] The contraceptive patch is applied to the skin and worn continuously. A series of three patches are worn for one week each ...

  5. Norelgestromin/ethinylestradiol - Wikipedia

    en.wikipedia.org/wiki/Norelgestromin/ethinylest...

    The patch-free interval must not be longer than seven days; otherwise, additional non-hormonal contraceptive methods must be used, such as condoms. [6] Transdermal patches must always be applied on the same day of the week to the buttock, abdomen (belly), upper arm or upper back. [ 6 ]

  6. Levonorgestrel - Wikipedia

    en.wikipedia.org/wiki/Levonorgestrel

    The most widely used form of oral emergency contraception is the progestin-only pill, which contains a 1.5 mg dosage of levonorgestrel. [40] Levonorgestrel-only emergency contraceptive pills are reported to have an 89% effectiveness rate if taken within the recommended 72 hours after sex. [42]

  7. 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 ...