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 An IUD works as soon as it's put in, and lasts for five to 10 years, depending on the type. 2  It can be put in at any time during your menstrual cycle, as long as you're not pregnant. 3  It can be removed at any time by a specially trained doctor or nurse and you'll quickly return to normal levels of fertility. An IUD works as soon as it's put in, and lasts for five to 10 years, depending on the type. 2  It can be put in at any time during your menstrual cycle, as long as you're not pregnant. 3  It can be removed at any time by a specially trained doctor or nurse and you'll quickly return to normal levels of fertility.