36 - 40 Weeks

• Should be able to maintain own temperature.
• Respiratory rate 30-60 should not require mechanical ventilation unless sick.
• Heart rate 120-160 beats per minute
• Sleeps well flexed. Moves all extremities in a wide variety of motions. Strong resistance to passive movement of extremities.Well defined sleep and wake states. Clearly alert states for social interaction.
• Shows preference to seeing the human face. Sees 8-10 inches from his/her face. Active looking noted during this time.
• May become disorganized with lengthy periods of socialization.
• Likes the sound of the human voice. More consistent behaviors around sound. Still become disorganized with lengthy or loud noises.
• Skin still a bit delicate. Increased tolerance for gentle handling.
• Still may become disorganized with painful stimulation.
• Becomes more actively involved with parents/care givers.
• May start actively exploring environment.