The risk factors on this list are ones you're born with and cannot be changed. The more of these risk factors you have, the greater your chance of developing coronary heart disease. Since you can't do anything about these risk factors, it's even more important for you to manage the risk factors that can be changed. The majority of people who die of coronary heart disease are 65 or older. At older ages, women who have heart attacks are more likely than men are to die from them within a few weeks.
Of course it is impossible for your doctor to say exactly when you ovulated. He is probably using the normal formula of next period due date - 14 days, and as I said, this can be off by 2 days either way.The good news in all of this is that sex with your (ex-)bf on Aug 5/6 was way too early so I think it is safe to say your (ex-)fiance is the daddy.t is possible that the due date may be wrong. It is based on various formulas and possibly on information you gave to the doctor. He might have misunderstood or missheard. If you had a scan before week 20, the due date will be pretty accurate.
No, sex doesnt delay periods if there is no pregnancy but if you are worrying a lot that you might be pregnant then the anxiety, stress and worry might delay your period. Even worrying about exams, family or work problems can delay periods if the worry is big enough. RTS.