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.
You can't go wrong visiting Alaska anytime between May 10 and September 15. The days are long, nature is in full bloom, and the air is alive with energy. Most tours operate mid-May to mid-September, with the exception of those into Denali (mid-June to end of August). Peak season is mid-June to mid-August.