The concept of a due date was first established in the early 1800s. At that time, Franz Carl Naegele officially declared that pregnancy was full term at 10 lunar months past the first day of a last normal menstrual period. These days, due dates are determined in much the same way, with the exception that 40 weeks is considered full term. Unsurprisingly, a lot of stock seems to be put on the Due Date. However, the calculations that lead us to a date can often be deceiving. For instance, several factors seem to play into a finding a correct calculation. … Continue reading →