The fluid-filled space that was inside the blastocyst is now developing into the amniotic sac - the bag of waters that will protect your baby for the rest of your pregnancy - and break at the end! The embryo has a blood circulatory system that links with yours through the chorionic villi (the little fingers belonging to the cells embedded in the lining of your womb). Your baby's spine is starting to form, with the very beginnings of the central nervous system. Blood vessels are also forming into what will become the umbilical cord - the vital link between you and your baby.
Darling buds
Tiny little buds on the embryo are the first signs of your baby's arms and legs. Your baby's facial features are forming while depressions in the outline of the embryo show the early development of your baby's chest and body. Your baby's digestive system is starting to form too, beginning with the first cells of the stomach and the intestine. At this point your baby is no bigger than a baked bean - a bouncing baby bean!
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