Describe the kind of dangers common to steel workers of the late 1800s. Suffered burns from spills of hot steel Describe the dangers common to coal miners in the late 1800s.
MirenaÂ® (levonorgestrel-releasing intrauterine system) is a hormone-releasing IUD that prevents pregnancy for up to 5 years. Mirena also treats heavy periods in women who choose intrauterine contraception. Mirena is recommended for women who have had a child.
Rating Newest Oldest. Best Answer: Mirena is effective immediately if inserted within seven days after the start of your period. If you have Mirena inserted at any other time during your menstrual cycle, use another method of birth control if you have vaginal intercourse during the first week after insertion. Protection will begin after seven days..