|Could you tell me the number for ? muscletech nano vapor buy india The important issue with projecting an estimated due date has to do with knowledge of dates roughly 10 months prior. This refers to the date of the last menstrual period, and length of a woman’s menstrual cycle. For women who know the precise date of the period that occurred prior to conception, and who have a menstrual cycle that is 28 days long (many have cycles that are less or more than 28 days), and who know when conception occurred, it’s significantly easier to accurately date the pregnancy and thus arrive at a valid due date. However, it’s not only important for a woman to know these dates, but also crucial to have a sonogram in the first trimester of pregnancy, which measures the length of the fetus, the size of the gestational sac and can forecast the EDC.