This statement is true. According to the guidelines presented, the ABO blood group determined for a newborn younger than three months is of a temporary nature. This is because the diagnosis relies solely on forward grouping (antigen testing), as reverse grouping is unreliable due to the absence of the infant's own antibodies. Furthermore, ABO antigens are not fully developed at birth and may be expressed more weakly. A definitive ABO type requires confirmatory testing performed on a sample taken after the infant is at least three months old, when antigen expression is stronger and the child's own antibodies have developed, allowing for both forward and reverse grouping.

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Zambia

• Naomi Miselo – 31 pts

• Visual Pathway Lesions
• Positive and Negative Symptoms
• Hallucinations and Delusions
• Antipsychotic Medications
• Emergency: Environmental Emergencies