This can prevent pregnancy for up to 3 years.Progestogen hormones are also used in the contraceptive pill and are like the natural hormone progesterone that is made by the ovary. Image. If it is put in at other times it will take 7 days to work - you will need to use another method of contraception or not have sex for 7 days.The implant can be left in the arm for 3 years. If you want another implant a new implant can be put in the same arm immediately after the old one is removed. Objective: To evaluate whether initiation of a contraceptive implant, a method of long-acting reversible contraception, reduces condom use, as measured by a biomarker of recent semen exposure [prostate-specific antigen (PSA)]. The wound is dressed and will soon heal just like any other small cut. The implant contraceptive is relatively new to South Africa, and for that reason there’s a lot of mystery and uncertainty surrounding it. Low uptake in Australia may be partially due to limited clinicians trained in implant procedures. This means that if 1000 women use the contraceptive implant for a year, only one woman would become pregnant.Most women can use the contraceptive implant. The contraceptive implant is a small, flexible rod about the size of a match stick. Following introduction of the implant, the annual rate/1000 births of selected adverse birth outcomes decreased between 56% and 74% (p<.0001). A contraceptive implant is a small, flexible rod that’s placed just under your skin in your upper arm. We also studied changes in the number of pregnancies affected by grand multiparity (≥4) and short interpregnancy interval (<12 months) for the same time periods. At a glance Effectiveness: Over 99% effective at preventing pregnancy - one of the most effective methods there is. It is 99.95% effective. The number of women with parity ≥4 who gave birth decreased by 59% (p<.0001), and the number with interpregnancy interval <12 months decreased by 64% (p<.0001).Introduction of the contraceptive implant was associated with reductions in CBR, maternal and neonatal morbidity, and the number of women with high-risk pregnancies giving birth.These results encourage efforts to increase knowledge and availability of the contraceptive implant in low- and middle-income countries such as PNG. Implications. A nurse or doctor inserts the implant into your arm and that’s it — you’re protected from pregnancy for up to 5 years. The implant releases hormones into your body that prevent you from getting pregnant. The implant slowly releases a progestogen hormone called etonogestrel into the blood stream. Internationally, nurse-led implant procedures are accepted practice; however, this is not common in Australia. It can stay there for up to 3 years. The implant can be taken out earlier if you want to get pregnant or if you don't want to use this type of contraception anymore. Secondary outcomes were the change in rates (per year/1000 births) of severe postpartum hemorrhage, postpartum infection, hospital readmission, prematurity (<37 weeks), low birth weight (<2500 g) and maternal and neonatal mortality. These results encourage efforts to increase knowledge and availability of the contraceptive implant in low- and middle-income countries such as PNG. The birth control implant (AKA Nexplanon) is a tiny, thin rod about the size of a matchstick. If you are at risk of sexually transmitted infections (STIs) you can use condoms at the same time as using the implant.The implant is prescribed by a doctor. It releases a progestogen hormone similar to the natural progesterone produced by the ovaries. This can prevent pregnancy for up to 3 years. What is the birth control implant? The implant slowly releases a progestogen hormone called etonogestrel into the blood stream. The area around the implant may be bruised and tender for a few days. The implant is put under the skin of the upper arm. The contraceptive implant is about the size of a matchstick and is placed under the skin of the inner side of your upper arm.