This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
According to Food and Drug administration lactation categories S* Refers to 
Select and explain. 
A. Safe for nursing infant, medication usually compatible with breast feeding, B. Safety in nursing infants unknown; inadequate Literature available, C. Potential for significant effects on nursing infants medication should be given with caution, D. Not safe for nursing infants; medication contraindicated or requires cessation of breast feeding
C: Potential for significant effects on nursing infants medication should be given with caution
Answer: C: Potential for significant effects on nursing infants medication should be given with caution 
Explanation: None