Neural tube, which becomes the brain and spinal cord, begins to form. Eyelids form and grow but are sealed shut. Fingers and toes are developed. For the rest of pregnancy, all body organs will mature and baby will gain weight. Fingernails have grown to tips of fingers.
Baby sleeps and wakes at regular intervals.
Eyelids begin to part and the eyes open. Finger and toe prints can be seen. Exercises by kicking and stretching. Baby responds to light and sound. Rapid brain growth continues.