Mirena is a hormonal intrauterine device (IUD) that's inserted into the uterus for long-term contraception. Mirena prevents pregnancy for up to five years. Mirena is a hormonal intrauterine device (IUD) that can provide long-term birth control (contraception). The device is a T-shaped plastic frame that's inserted into the uterus, where it releases a type of the hormone progestin.
If you want to avoid the crowds and take advantage of lower prices, May, early June and September are the best times for an Alaska cruise. In May and early June the weather is drier; in September there are noticeably less mosquitoes than during the height of summer.
Winter is long in Alaska. I believe that the best time to visit Alaska in the winter is late February and March, which offers more daylight and less extreme temperatures. Anchorage offers a plethora of cross-country ski trails and the world class ski resort, Alyeska, is just 35 miles south of Anchorage.