Title: Infants Remembered In Silence (IRIS) - Resources - Fetal Development Conception - 40 Weeks
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Content: Sometime during this week or the next week, blood will begin to circulate between the baby and uterus and the placenta starts to function. Week 12

By this point, nearly all of the organs and structures of the fetus are formed. They will continue to grow and develop until delivery. Fingers and toes have separated and hair and nails begin to grow. The genitals begin to take on their gender characteristics. Amniotic fluid begins to accumulate as the baby's kidneys begin to produce and excrete urine. The muscles in the intestinal walls begin to practice peristalsis - contractions within the intestines that digest food. Week 13

As the baby continues to develop, the vocal cords begin to form. The face is looking more and more human each day as the eyes begin to move closer together instead of being on the sides of the head and the ears move to a normal position. It would be possible now to determine the baby's sex by looking at the genitals if we could only get close enough. (