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2. Hormonal intrauterine device - Wikipedia

   en.wikipedia.org/wiki/Hormonal_intrauterine_device

   The IUD with progestogen is a type of long-acting reversible birth control. [5] It works by thickening the mucus at the opening of the cervix, stopping the buildup of the lining of the uterus, and occasionally preventing ovulation. [2] The IUD with levonorgestrel was first approved for medical use in 1990 in Finland and in the United States in ...

3. Intrauterine device - Wikipedia

   en.wikipedia.org/wiki/Intrauterine_device

   However, an IUD causes the endometrial lining of a uterus to thin, which is the opposite of what occurs with PCOS. The main mechanisms of action of IUDs occur prior to fertilization, by preventing sperm from ever reaching the egg. [65] The copper-bearing IUD acts as a spermicide, killing or impairing sperm so they cannot reach the egg.

4. Emergency contraception - Wikipedia

   en.wikipedia.org/wiki/Emergency_contraception

   Emergency contraception (EC) is a birth control measure, used after sexual intercourse to prevent pregnancy.. There are different forms of EC. Emergency contraceptive pills (ECPs), sometimes simply referred to as emergency contraceptives (ECs), or the morning-after pill, are medications intended to disrupt or delay ovulation or fertilization, which are necessary for pregnancy.

5. One woman's IUD fell out without her knowing. Here's ... - AOL

   www.aol.com/lifestyle/one-womans-iud-fell...

   I was 27 years old when I decided on using an intrauterine device, known as an IUD. I had recently given birth to my second son, and I wanted a reliable form of contraception (IUDs are more than ...

6. Diaphragm (birth control) - Wikipedia

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

   The diaphragm is a barrier method of birth control. [3] It is moderately effective, with a one-year failure rate of around 12% with typical use. [4] It is placed over the cervix with spermicide before sex and left in place for at least six hours after sex.

7. Medroxyprogesterone acetate - Wikipedia

   en.wikipedia.org/wiki/Medroxyprogesterone_acetate

   Trussell did not use 1995 NSFG failure rates as typical use failure rates for the other two then newly available long-acting contraceptives, the Norplant implant (2.3%) and the ParaGard copper T 380A IUD (3.7%), which were (as with DMPA) an order of magnitude higher than in clinical trials. Since Norplant and ParaGard allow no scope for user ...