The most serious potential complications of the birth control pill are bloot clots, including heart attack and stroke. For young women and for nonsmokers over 35, the risk of a clot on the pill is...
Depends on its surroundings. Exposed to air it'll dry out rather quickly, and exposed to environments with a different Ph value is also a rapid killer. But once deposited inside a woman it can linger...
It depends on the pill and the day you start taking it. Some pills taken from day 1 of your cycle are effective immediately, others you need to use a back up method until you have taken 7 pills in 7...