Other Information: Read the instructions, warnings, and enclosed product leaflet before use. This product works mainly by preventing ovulation (egg release). It may also prevent fertilization of a released egg (joining of sperm and egg) or attachment of a fertilized egg to the uterus (implantation). Do not use if carton is open or tear strip is removed or blister seal is broken or missing. Store at 20 degrees to 25 degrees C (68 degrees to 77 degrees F).