No.
No, the patch is less effective than the shot.
No, the myth that antibiotics make birth control pills less effective is not true.
No stool softeners don't effect hormonal birth control.
NO
In theory all antibiotics can make birth control pills less effective. This concern has not been proved.
No it does not. it actually works better over time.
"Low dose" pills are not less effective.
This site will answer your question.http://www.ncbi.nlm.nih.gov/pubmed/9835524?dopt=Abstract
No
no, if the birth control pill you are taking is effective then multiple ejaculations versus one or two ejaculations shouldn't matter. the point of the pill is to halt the releasing of your eggs so different amounts of ejaculation should not effect this.
In my opinion, there are less expensive options that are every bit as effective and with low side effect profiles.
It's not likely to be effective. You may have more or less bleeding, and the timing will be unpredictable.