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.
Visitors often ask: When is the best month to visit Alaska? You can't go wrong visiting Alaska anytime between May 10 and September 15.laska Daylight. June 21 is the longest day of the year, with 19 hours of daylight in Anchorage, 22 in Fairbanks, and 18 in Southeast. But from early May through September, days are considerably longer than at lower latitudes.