Some advantages of blended learning, particularly at a Kindergarten to grade 12 level of education, can be found under the general concept of educational technology. It is also one of the most effective ways for Personalized learning at scale.
The length of a human pregnancy can vary naturally by as much as five weeks. Credit: Â© Jessmine / Fotolia. The length of a human pregnancy can vary naturally by as much as five weeks, according to research published online August 7 in the journal Human Reproduction. Normally, women are given a date for the likely delivery of their baby that is calculated as 280 days after the onset of their last menstrual period.
Because not all pregnancies are equal in duration, it is impossible to predict the precise day on which your baby will be born. Pregnancies usually range from 37 weeks to 43 weeks, with most women giving birth between 39 weeks and 41 weeks after conception. Your due date is merely the middle of this fourteen-day window. There are several ways to calculate your due date.