Arue is the name of two communes of France: 1  Arue, Landes in the Landes dÃ©partement. 2  Arue, French Polynesia in the overseas territory of French Polynesia.
Normally, your due date is 280 days (40 weeks or about 10 months -- also known as 10 lunar months) from the first day of your last period. Your health care provider may order an ultrasound to more accurately determine your due date.
Adding the 14 days to the 266 days gives 280 days, or 40 weeks. The due date is traditionally set at 40 weeks from the first day of the last menstrual period in a normal pregnancy (in a woman with 28 day cycles). At our clinic, we use an Excel spreadsheet to calculate the exact due date for our pregnant patients.VF Due Date Calculator. As far as calculating a due date after IVF, the most accurate method is to add 266 days (or 38 weeks) to the day of the egg retrieval. The eggs are fertilized that day, which is the same as day 14 - the day of ovulation and fertilization in a normal 28 day menstrual cycle.