It really works by halting a lady's egg from completely developing on a monthly basis. The egg can now not accept a sperm and fertilization (pregnancy) is prevented. Administration of troglitazone concomitantly with a combination oral contraceptive (estrogen and progestin) reduced the plasma concentrations of both hormones by roughly 30%. https://kelnor-birth-control-revi80134.tokka-blog.com/30486613/not-known-facts-about-kelnor-birth-control-reddit