This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
Sarita, a 30-year-old woman develops a deep vein thrombosis in her left calf on the fouh postoperative day following cesarean section done for fetal distress. The patient is staed on heparin and is scheduled to begin a 6 weeks course of warfarin therapy. The patient Is a devoted mother who wants to breastfeed her baby. What is the advice which is given to the patient? 
Select and explain. 
A. Patient may continue breast feeding at her own risk, B. Patient should breast feed her baby only If her INR is at <2.5, C. Warfarin is absolutely contraindicated during lactation, D. Warfarin is not a contraindication for lactation
D: Warfarin is not a contraindication for lactation
Answer: D: Warfarin is not a contraindication for lactation 
Explanation: The anticoagulant (warfarin, LMWH or unfractionated heparin) is safe for breastfeeding.Reference: DC Dutta&;s Textbook of Obstetrics, 8th edition, page no:510