Right now, your little one resembles a tiny tadpole – tail included! But don’t worry, the embryonic tail disappears around week 8 of your pregnancy.
The nervous and circulatory systems will begin forming this week, as well as the baby’s other systems. The first of these to be operational is the circulatory system, a.k.a. heart and blood vessels. In fact, their heart is already starting to take shape! But for now, the heart is comprised of two working channels.
Your baby is currently made up of three layers that represent the different bodily systems. These are: