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.
How many weeks pregnant am I ? Using the first day of your last menstrual cycle you can figure out when you most likely conceived, how old your baby currently is, and when your baby's birth is expected. If you don't know the length of your cycle, leave that space blank and the average 28 days will be used to calculate your information.