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.
When to Go to Alaska. When to Travel to Alaska. Although Alaska is a yearâround vacation destination, the majority of visitors arrive between midâMay and midâSeptember. Travelers in the know visit Alaska in September and May (the shoulder seasons) for great weather and easier booking. Alaska has a short visitor season and can get busy during the peak summer months. Generally, the earlier you reserve space, the better.