Possible Causes of Delay at the Brain Stem

Delay at the brain stem level usually involve some time of trauma such as:

In Pregnancy

Severe Stress
Exposure to toxins
Severe Illness
Use of medications
Drugs / Excessive Alcohol use
Threatened Miscarriage
Placental Insufficiency
Uncontrolled Diabetes

Birth or Early Infant Trauma:

Caesarian birth
Cord around the neck
Placenta Previa
Breech
Blue Baby
Use of forceps
Long labor
Fetal Distress
Lack of oxygen to the new born
Premature / Post mature birth
Requiring resuscitation
Severe Jaundice
A fall
Automobile accident, surgery
Physical, emotional or mental trauma

Some children may show early problems with eating, sleeping, breathing. The immune system and/or digestion might be delayed in development.