Pediatrics A mother brought her 7 year old daughter complaining of breast development. Thelarche occurs normally at? A 7-11 years B 8-13 years C 11-13 years D 12-14 years 💡 Explanation A mother brought her 7 year old daughter complaining of breast development. Thelarche occurs normally at? ✓ Correct Answer: B. 8-13 years