progestin works

Does Mirena Prevent Fertilization Or Implantation? Mirena also stifles ovulation. They may have a secondary effect of preventing implantation, but, as with the pill, the evidence shows that non-contraception users ‘kill’ a lot more fertilized eggs by callously menstruating them out.” Do IUDs prevent implantation of fertilized egg? How Does an IUD Work? The copper-coated