The iud is more than 99 percent effective at preventing pregnancy. It was decided a priori to evaluate bmi as a dichotomous variable normal weight bmi 249 vs overweight and obese bmi 25. As with any medication or medical device there are side effects and risks associated with intrauterine contraception. The patients measured weight on the day of iud insertion and the measured or self reported height were used to calculate the bmi. This means that if 100 people used an iud over 1 year less than one would become pregnant. The main independent variable was body mass index kgm 2 at the time of iud insertion.
Your doctor will now insert a sterile instrument called a sound to measure the length and direction of the cervical canal and uterus. This procedure reduces the risk of perforating the uterus having the iud puncture through which usually occurs because the iud is inserted too deeply or at the wrong angle. You have about 50 to 80 milligrams mg of copper in your body thats mostly found in your muscles and liver where. The hormone in mirena skyla liletta and kyleena is only released into the uterus so it does not have the same kind of broad effect as the hormones found in birth control pillsbut women who have adverse effects from hormone exposure or who have a history of breast. The iud can easily be removed when the individual desires to attempt pregnancy. Copper is a heavy metal thats perfectly safe to consume at low levels.
If you cannot or choose not to be exposed to hormones the paragard iud may be the best choice for you. Other forms of contraception are. The copper iud works for up to 10 years whereas the levonorgestrel releasing iud works for up to 5 years 79. During data analysis clinical differences between the overweight and obese groups became apparent.