Henry Bessemer was an inventor and engineer from England. Not only did he develop the Bessemer process for steel manufacturing, but he also designed a machine that could m â¦ ake bronze powder. What did Henry Ford invented?
The most effective form of reversible birth control after abstinence is an intra-uterine device (IUD), closely followed by hormonal contraception, which can come in the form of a pill, patch, implant, or insertable ring. IUDs have a failure rate of less than one percent in most controlled studies.
On the box it says 99.9% effective, which means you have a 0.1% chance of getting pregnant whilst using a condom and no other form of birth control. Condoms have inproved over the years... they used to be 97% effective. They are now classified as 99.99% effective.