This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chlamydial Infections, Subject name: Pediatrics
[{'content': 'Baby borne to patient suspected of chlamydial infection sample to be taken for diagnosis - \nSelect and explain. \nA. Conjunctival, B. Urethral, C. Urine sample, D. Blood', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans, is 'a' i.e., Conjunctival o About 70% of baby bom to positive chlamydal infection develop conjuctivitis at day 5 of life so sample taken for diagnosis is conjuctival,o Chlamydal infection is most common cause of conjuctivitis in newborn.o Chlamydal infection causes watering dischange form eye (unlike purulent dischange in Gonococcal),o Neonate's eyelid everted and specimen obtained,o Treatment is local enythromycin application.", 'role': 'assistant'}]