The principle and side effects have been introduced before. After listening to it, it seems to be reassuring. Thanks to the progress of science and technology, contraception seems to have become an easy task. But isn't it true that after-the-fact medicines don't fail? In the following conditions, the success rate of taking this medicine is reduced.
If your period is delayed, be sure job email list to take a pregnancy test: Have sex for three days around ovulation. Why might it fail? Because the post-event medicine "suppresses ovulation", this medicine is ineffective in the case of "ovulation already". Taking the medicine more than three days after sex is more than enough for sperm-egg union, so if you take the medicine after three days, it may already be fertilized and the effect of the medicine will be poor.
Although the US FDA has certified drug doses, women with higher BMI may have lower drug concentrations in their bodies. As a result, the ability to suppress ovulation is not enough, and ovulation may still lead to pregnancy.