Continue alternating five back blows and five chest thrusts until the object is forced out or the baby starts to cough forcefully, cry, breathe, or becomes unresponsive. If he's coughing, let him try to cough up the object.
Compared to adults, the infants rib cage at the bottom is not as RIGID.
Answer:
ummm probably like milk, peanuts, eggs, soy, wheat etc
