Credit Green Bay Packers . In essence, the system is a complex grid of retractable arms lined with hundreds of greenhouse-type light bulbs. After a trial run in 2010, the Packers bought nine MU360 units, as they are called, enough to cover half the field.
IUD Progesterone. An Intra-Uterine Device (IUD) is a small, flexible, plastic device placed inside a womanâs uterus. Mirena is the brand-name for a type of IUD that releases synthetic progesterone hormone into a womanâs body. The IUD makes it harder for sperm and eggs to move, or for a fertilized egg to lodge in the uterus. It is 99.8% effective in preventing pregnancy, making it slightly more effective than sterilization.
The copper IUD works for up to 10 years. One hormonal IUD (Mirena) lasts for up to 5 years. The other hormonal IUD (Skyla) lasts for up to 3 years. Your doctor can remove the IUD at any time if you want to get pregnant or if you no longer want to use an IUD.he copper IUD starts working right away after it is inserted. The hormonal IUD starts working right away if it is inserted within 7 days after the start of your period. If a hormonal IUD is inserted at any other time during your menstrual cycle, you will have to wait for 7 days for it to start working.