The sensitive period for tetracycline induced discolouration in the permanent maxillary mandibular incisors and canines is: (A) 3 months postpartum to 7th year of Life, (B) 4 months in utero to 3 months postpartum, (C) 5 months in utero to 9 months postpartum, (D) Birth to 7th year
Answer is A. None