• After 8 weeks as an embryo, the baby now is called a "fetus."
• The fingers and toes have soft nails.
• The mouth has 20 buds that will become "baby teeth."
• You can hear your baby's heartbeat for the first time (10 to 12 weeks) using a special instrument called a Doptone.
• For the rest of pregnancy, the body organs will mature, and the fetus will gain weight.
• By the end of this month, the fetus is 2 1/2 inches long and weighs a little over 1 ounce.

Month 4

• The fetus moves, kicks, and swallows.
• The skin is pink and transparent.
• The umbilical cord continues to grow and thicken to carry enough nourishment from mother to fetus.
• The placenta is fully formed.
• By the end of the fourth month, the fetus is 6 to 7 inches long and weighs about 5 ounces.