I was on tri previfm (sp?) for 3-4 months then my dr switched me to Minastrin 24 fe because the tri previfm made me feel awful. i have been on Minastrin for 2 weeks and 4 days. I had unprotected sex with my bf my 10th day on Minastrin. I read the packet that came with the pills and it said I am safe to have sex after i am on for 7 days... before we had sex. But I did my own research on the pill (after we did it) and read that this pill is only 97% effective... that's not as high as my other BC... should i be worried about this?
A little knowledge is a dangerous thing. That is probably correct for the average woman. If they are taken perfectly its 99%. And that is all pills. The average woman doesn't take them perfectly. As long as you started them right you remained protected. Did you start them up when it was time for the new pack of pills? You are chewing them, correct? You didn't find the info about it on the manufacturers site, they won't commit to a specific percentage.
Pills are 99% if taken perfectly. The implant or iud or shot is almost perfect protection because we can't screw them up like the pill.
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