The 2015 edition provides coordinated population, urban land area and density data for all 1,009 identified urban areas with at least 500,000 population. These urban areas account for approximately 52 percent of the world urban population. Largest Cities in 2015.
Due Date Calculator. This interactive Due Date Calculator will help you estimate the date your baby will arrive. Pregnancy usually lasts 280 days (40 weeks) from the first day of the woman's last menstrual period. This calculator is a general guide: every pregnancy is unique, and sometimes babies arrive sooner or later than expected. Always talk to your health care provider about 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.