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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]
Birth control, also known as contraception, anticonception, and fertility control, is the use of methods or devices to prevent pregnancy. [1] [2] Birth control has been used since ancient times, but effective and safe methods of birth control only became available in the 20th century. [3]
When used to avoid pregnancy, the standard days method has been estimated [22] to have perfect-use efficacy of 95% and typical-use efficacy of 88%. [ 20 ] [ 21 ] These figures are based on a 2002 study in Bolivia, Peru, and the Philippines of women of reproductive age having menstrual cycles between 26 and 32 days, [ 20 ] [ 23 ] : 505 and on a ...
Long-acting reversible contraception (LARC) LARC is a class of birth control used by about 10% of women who use contraception. This category includes intrauterine devices (IUDs) and the implant.
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.
Combined oral contraceptive pills are a type of oral medication that were originally designed to be taken every day at the same time of day in order to prevent pregnancy. [ 26 ] [ 37 ] There are many different formulations or brands, but the average pack is designed to be taken over a 28-day period (also known as a cycle).
The contraceptive sponge combines barrier and spermicidal methods to prevent conception. Sponges work in two ways. First, the sponge is inserted into the vagina, so it can cover the cervix and prevent any sperm from entering the uterus. Secondly, the sponge contains spermicide. [2]
In medieval western Europe, any efforts to halt or prevent pregnancy were deemed immoral by the Catholic Church. [5] Women of the time still used a number of birth control measures such as coitus interruptus, inserting lily root and rue into the vagina, and infanticide after birth. [16]