Lots of changes are taking place at 5th month while you are pregnant. The umbilical cord and placenta are working enough to passage essential nutrients from your body to the embryo. Amino acids, Oxygen, sugars and fats play a vital role in the development of health. Some of the common cells are growing to develop into the neural tube which will become the brain and spinal column. The best way to support your baby’s development and growth is taking folic acid of at least 400 micrograms every day. The heart starts from developing a single tube with few uncoordinated beats. These beats become more regular and active every passing week.