The muscles begin to develop and sex organs form. Eyelids, fingernails, and toenails also form. The child's spontaneous movements can be observed. The fetus is now about 5 inches long. The child blinks, grasps, and moves her mouth.
Hair grows on the head and body.
The fetus now weighs approximately a half pound and spans about 10 inches from head to toe. Sweat glands develop, and the external skin has turned from transparent to opaque. The fetus can now inhale, exhale and even cry. Eyes have completely formed, and the tongue has developed taste buds. The fetus is usually capable of living outside the womb and would be considered premature at birth.