Huggies Due Date Calculator is easy-to-use and give accurate results week by week. The online pregnancy due date calculator makes use of the LMP or the conception date and the average length of the cycle to calculate the pregnancy due date. Andy Warhol Bugaboo Part Two Happy Bugs And So Many Stars The first day of the last menstrual cycle. . Arrow_forward Calculating LMP EDD POA and even setting an appointment date had never been easy. Your estimated due date is commonly calculated by adding 280 days 40 weeks to the date of the first day of your last period using Naegeles rule. The calculator also tells you how long you have been pregnant and when you are likely to go into labour. Contains ads In-app purchases. The Pregnancy Weeks Calculator can determine how far along you are in your Pregnancy. All businesses regardless of the number of people employed have a duty of care to pregnant. Your Due Date Calcul...