The baby now is a size of a needle head which is around 2mm. Now it is nothing but a cluster of 50-60 cells called as a blastocyst. The bay cells are developing its surrounding now where they will live for the next 8 months. The umbilical cord, amniotic sac and the amniotic fluid has formed by which the baby will survive for almost a year. It starts reacting with the mothers intake, oxygen taking a large part of, nutrition is an important issue so look what you are eating. The initiative of the spinal cord have begun where now it’s nothing but just a hollow pipe like structure. Diet must be kept a watch on.