This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Anatomy
All of the following are predisposing factors for breast carcinoma except 
Select and explain. 
A. Family history of breast carcinoma, B. First child at a younger age, C. Early menarche and late menopause, D. Nulliparous women
B: First child at a younger age
Answer: B: First child at a younger age 
Explanation: .