Pregnancy Timeline

  • 1 CE

    First month

    The first month of pregnancy is counted from the first day of the last menstruation, which means approximately two weeks before fertilization. At the end of the second-week ovulation occurs, an egg is released that, if fertilized, will be implanted in the wall of the uterus.
  • 1 CE

    Second month

    In the second month of pregnancy, the eyes of the embryo are formed and the arms and legs begin to grow. The internal organs and the brain of the future baby develop. At this stage, the embryo measures about 3 centimeters and weighs about 3 grams.
  • 1 CE

    Third Month

    In the third month of pregnancy, the embryo is called a fetus. This stage is known as the fetal period since the fetus begins to have a human form. The limbs of the future baby develop rapidly, although the size of the head is still disproportionate to the rest of the body.