using an iud for birth control usually changes your sex life for the betterbut there are exceptions. Shaped like a t and a bit bigger than a quarter, an iud fits inside your uterus. It prevents pregnancy by stopping sperm from reaching and fertilizing eggs. We spoke to a gynecologist about what to know when having rough sex on an iud. The oral contraceptive pill, also known as birth control pill, is suitable for most healthy women, regardless of age, and can be used long-term. It is one of the worlds most prescribed medications over 100 million women across the globe rely on it. Side effects of iuds depend on the type, but it may worsen menstrual cramps and pain. The effectiveness of an iud can be compared to other birth control methods. If you get it put in within 120 hours (5 days) after unprotected sex, its more than 99. Its actually the most effective way to prevent pregnancy after sex. Another great thing about using the copper iud as emergency contraception you can keep it and have really effective birth control that you can use for up to 12 years. Mirena iud and painful sex my iud was removed, same night sex, period never came! Weight gain with mirena iud discharge with paragard iud iud and tanning beds i have an iud in and think i could be pregnant oral sex & stds pregnancy and iud chronic utis linked to iud oral transmition to genital herpies mirena iud side effects can you get. An intrauterine device (iud) is a form of birth control that your doctor places inside your uterus. Once its inside, it will protect against pregnancy for up to 10 years, depending on the type. An iud can usually be fitted 4 weeks after giving birth (vaginal or caesarean). Youll need to use alternative contraception from 3 weeks (21 days) after the birth until the iud is put in. In some cases, an iud can be fitted within 48 hours of giving birth. The only guaranteed way to avoid side effects related to hormones is to choose a hormone-free method of birth control, brant said. These include the copper iud, condoms, diaphragms, spermicides and abstinence. Except for the iud, the non-hormonal methods are less effective, so use with caution.