Is There a Difference Between Progeston Only and Combination Harmonial Contraceptives?

The fda package inserts for progeston only or combined harmonial contraceptives, an differences that the clinition should be aware of. Progestins are affect by something called class labelling by the fta. They received a label that included the appropriate precautions regarding thrombosis. Fertility awareness base methods have a failure rate of about 22 pregnancies per hundred women per year.