Start of Pregnancy Week 4 : Day 8 with 258 days to go

During this week the now implanted cell ball will start to really grow very rapidly, and your body has now met your developing baby!!

The amniotic sac and the amniotic cavity will begin to form and the yolk sac has also appeared. The Yolk sac will later give rise to your baby's digestive tract. The placenta will aslo begin to form at the site of implantation and blood from your system will start to ciculate throught he placenta.

By the 26th day of your pregnancy, the embryo will measure between 0.006 and 0.008 inches, and by the 27th day of your pregnancy you may begin to experience some nausea.

There are many factors that may cause this nausea to be even more severe, such as stress and a diet low in nutients. Eating smaller meals more frequently may help to reduce nausea

Interesting Pregnancy Fact : The first system to function in your new bay is the cardiovascular system. Your baby's heart will begin to beat even before your period is one week late.