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.
Best Time of Year to Go on an Alaskan Cruise. There is a lot to consider when planning a cruise to Alaska. Often, one of the first questions asked is âWhen is the best time of year to go on an Alaskan cruiseâ? Unlike Caribbean cruises, the Alaskan cruise season only occurs during select months of the year.