It's a great chance to discuss your experience and any questions you might have. Find the routine that's right for you. All of these are normal side effects which some women experience and which usually disappear after three menstrual cycles. We all slip up now and then, and it's likely that you'll eventually forget to take a pill. Call your doctor.
Different pills have different instructions for missed doses.
Your health-care provider can tell you what to do to get back on track. Use a back-up. Because of the missed pills, you have a much greater chance of getting pregnant. You are vomiting or have diarrhea. They can interfere with your body's absorption of the pill, and raise your chance of pregnancy.