Suggest Medication To Delay Menstruation

I'm 28yr old ,unmarried, and have a history of blood clots in veins of retina(Macular oedema) I have PCOS and high cholesterol and triglycerides, and i am taking rozavel 75(rosuvastatin.) and ecosprin, missed my periods for last month(now second months date is ahead) and now I want to delay my periods for 2-3days for a interview..will it be safe to take norethisterone 5mg? this interview is argent so if not then is there any alternatives of norethisterone for delaying periods for 2-3 day?