Is this a temporary or permanent position? <a href=" http://www.vidadesign.com.br/malegra-50-side-effects.pdf ">malegra effects</a> The most common reason for going past your due date is miscalculation. In other words, there could be a discrepancy of plus or minus seven days in terms of the possible date of conception. Nowadays, most doctors calculate the due date after performing an ultrasound early in the pregnancy, which is able to more specifically predict an accurate due date. And there is no doubt that babies born after 42 weeks do have an increased risk of post-birth complications.