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The other day I was reading a message board and came across a conversation that I wanted some clarity about. This girl was saying how the combo pill only suppresses ovulation 75% of the time. I've never heard of this statistic before and was wondering if it's true? I have heard that you have a higher chance of ovulating on a progestin only method but I've never heard of this about the combo pill. Just to clarify I am aware that there's a small possibility of ovulating on the pill but I thought it was very small and not 25%.
She also said that her specific pill says it's more effective than a standard combo pill. She says her pill pamphlet says hers is 99.9% effective. Everything I've ever read says that all combo pills are 99.7% effective. My pill pamphlet isnt that clear, all it says is "all combination pills are over 99% effective". I was wondering if it's possible that different combo pills can have different effectiveness?