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A hormonal intrauterine device (IUD), also known as an intrauterine system (IUS) with progestogen and sold under the brand name Mirena among others, is an intrauterine device that releases a progestogenic hormonal agent such as levonorgestrel into the uterus. [2]
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.
Combined hormonal contraceptives contain estrogen and progestin hormones. [15] They can come in formulations such as pills, vaginal rings, and transdermal patches. [ 15 ] Most people who use combined hormonal contraception experience breakthrough bleeding within the first 3 months. [ 15 ]
It works by preventing fertilization or implantation but does not affect already implanted embryos. [37] It contains no hormones, so it can be used while breastfeeding, and fertility returns quickly after removal. [39] Copper IUDs also last longer and are available in a wider range of sizes and shapes than hormonal IUDs. [14]
There are two main classes of hormonal contraceptives: combined contraceptives contain both an estrogen and a progestin, [30] and progestogen-only contraceptives that contain only progesterone or a synthetic analogue (progestin). There is also a non-hormonal contraceptive called ormeloxifene which acts on the hormonal system to prevent pregnancy.
This time, I deliberately chose the hormonal IUD Mirena for the benefits of a regulated, lighter period. At my yearly checkup last month, I discovered that it had been partially expelled.
Hormonal methods which contain the hormones estrogen and progestin include oral contraceptive pills (there is also a progestin only pill), transdermal patch (OrthoEvra), and intravaginal ring (NuvaRing). Progestin only methods include an injectable form (Depo-Provera), a subdermal implant (Nexplanon), and the intrauterine device (Mirena).
Most people do not need to stress about “balancing” their hormones through food or supplements. Your body does that complicated task for you, says Halperin. “The truth is, [hormones] are ...