Newborn TSH weak positive review pass rate is high or not depends on the condition, physiological causes of the pass rate is high, pathological causes, that is, the newborn suffers from hypothyroidism, review or will not pass. 1. Physiological reasons: newborn TSH weak positive may be physiological factors caused by a transient reaction, usually can be recovered on their own, you can observe, wait for a period of time, wait until the newborn is quiet, and then do another examination, generally can be restored to the normal level, this situation of newborns TSH weak positive retesting pass rate is high. 2. Pathological causes: pathologically caused by the newborn TSH weak positive, suggesting congenital hypothyroidism, may appear abdominal distension, constipation, jaundice delayed subsidence, physical developmental disorders, etc., can be under the guidance of the doctor oral levothyroxine medication for treatment, the newborn TSH weak positive review of the disease through the probability of not high. Newborns with weak positive TSH should be examined in the hospital as soon as possible, and standardized treatment under the guidance of the doctor.