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.
1 It makes your periods lighter. 2  Some women stop getting periods while they re using a hormonal IUD. 3  You won t have to think about birth control every day or every time you have sex. 4  Because one IUD can be used for so long, it s one of the least expensive methods of birth control. Some women stop getting periods while they re using a hormonal IUD. 2  You won t have to think about birth control every day or every time you have sex. 3  Because one IUD can be used for so long, it s one of the least expensive methods of birth control. 4  If you decide you want to get pregnant, you can have the IUD taken out.