<prompt> Which of the following congenital malformation is seen in a child of a mother who is on treatment with oral anticoagulants -Craniofacial malformationsRenal agenesisLong bone defectsAll  <response>: Ans. is a i.e., Craniofacial malformations o Administration of warfarin Oral anticoagulants during pregnancy causes syndrome characterized by 1. Nasal hypoplasia Craniofacial malformation 2. Stippled epiphyseal calcifications that resemble chondrodysplasia punctata. 