This week marks the beginning of the embryonic period. From now until 10 weeks, all of our baby's organs will begin to develop and some will even begin to function. As a result, this is the time when he/she will be most vulnerable to anything that might interfere with her development. Right now our baby is an embryo the size of a poppy seed (pictured above), consisting of two layers: the epiblast and the hypoblast, from which all of his/her organs and body parts will develop.
Also present now are the amniotic sac, which will house your baby; the amniotic fluid, which will cushion him/her as he/she grows; and the yolk sac, which produces our baby's red blood cells and helps deliver nutrients to him/her until the placenta has developed and is ready to take over this duty. The developed placenta will be able to provide nutrients and oxygen to our growing baby when it starts to function at the end of this week.
This week, there were a few more noticeable changes in my body. I did have some slight nausea and motion sickness. But, mainly I was just tired, had some weird cramps/pains on and off. And, I noticeable had to make more trips to the bathroom. Apparently, the hormone levels increased until about 10 weeks and then level off, so most of these symptoms will soon disappear. Knowing, this it is a nice reminder that something amazing is going on inside my body right now.
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