It can stay in place for three to five years. The implant gives off a steady supply of the hormone progestin, which prevents you from getting pregnant by thickening the cervical mucus and inhibition ovulation.
The implant can reduce cramps and make you bleed less. Your periods can become more irregular though.
It doesn’t protect against STDs, and side-effects include headaches, acne, and ovarian cysts. Spotting is quite common. In rare cases, the implant can also grow into your muscle or move, making it more difficult to remove it.
Implants are great for women after giving birth, smokers over the ages of 35, and women with high blood pressure.