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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]
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]
In regard to the use of modern methods of contraception, The United Nations Population Fund (UNFPA) says, "Contraceptives prevent unintended pregnancies, reduce the number of abortions, and lower the incidence of death and disability related to complications of pregnancy and childbirth."
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.
The unintended pregnancy rate among teens has been declining in the US. Between 2008 and 2011, the unintended pregnancy rate declined 44% among women aged 15–17 years old and 20% among women aged 18–19 years old. [34] This decline is attributed to improved contraceptive use among sexually active teens, rather than changes in sexual activity ...
The new study found that women who had higher levels of fluoride during pregnancy reported later that their kids were more likely to have temper tantrums, complain of vague headaches and ...
IUDs are safe and effective in adolescents as well as those who have not previously had children. [6] [7] Once an IUD is removed, even after long-term use, fertility returns to normal rapidly. [8] Copper devices have a failure rate of about 0.8%, while hormonal (levonorgestrel) devices fail about 0.2% of the time within the first year of use. [9]