An<unk>  (intra meaning within, and uterine meaning of the uterus) is a birth control<unk>  also known as an<unk>  or a coil (this colloquialism is based on the coil-shaped design of early<unk> s). It is a<unk>  placed in the uterus and is the world's most widely used method of reversible birth control, currently used by nearly 160 million women (just over two-thirds of whom are in China where it is the most widely used birth control method, surpassing sterilization). The<unk>  has to be fitted inside or removed from the uterus by a doctor or qualified medical practitioner. It remains in place the entire time pregnancy is not desired. Depending on the type, a single<unk>  is approved for 5 to 10 years use (the copper T 380A is effective for at least 12 years).
Intrauterine device
Oral contraceptive
Male contraceptive
Fertility medication
Combined oral contraceptive pill
Assisted reproductive technology
Gonadotropin preparations
Emergency contraception