Pretty high. Antibiotics lower the effectivness of the pill. It doesn't matter what week of the pill pack you are on. You need to use a back up method while on antibiotics.
to Antibiotics Pregnancy.
It depends on how long you have been taking the antibiotics, and how strong they are. Let's say for example, you are taking an anti___ for an acute kidney or bladder...
Yes. The Birth Control Pill is only about 96.0%-99.0% effective in preventing pregnancy. Although these percentages are high, there is always that small percentage in which pregnancy can occur, and...
Yes you can! Antibiotics reduce the effectiveness of the birth control pill. Many pregnancies have resulted in this way. Use a second form of birth control, such as a condom, while you are taking the...