Many people believe that their pregnancy calendar starts on their date of conception. Thay are wrong! The first week of your pregnancy is actually 2 weeks before conception. This is due to the way that pregnancy dates are calculated.
The first day of week one of your pregnancy is actually calculated as the first day of your period prior to conception. The conception date is estimated to be two weeks after this date, therefore, you could are pregnant for two weeks before you actually conceive. This is how the pregnancy duration is estimated at 40 weeks instead of 38 weeks.
Pregnancy progresses are a fast rate, with the embryo and foetus developing faster than at any other stage of life. Each week there are new developments and milestones in your babys' development.
As your pregnancy progresses there are week by week advancements in development, the heart starts beating, the baby grows in size, the cerebellum starts forming during week 8 and by week 9 you can determine whether you are having a boy or girl. The baby becomes more active after week 9. The muscle structure varies in each baby and the baby starts to show eccentricity by week 11. This is a very important and interesting stage of growth in a child when you analyze pregnancy week by week development.
Of course, one of the most important aspects of a pregnancy calendar is that it helps define your estimated due date and that is something you can really look forward to
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