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: Anatomy
[{'content': 'Fetal blood loss in abnormal cord inseion is seen in: \nSelect and explain. \nA. Vasa pre, B. Decidua basalis, C. Battle Dore placenta, D. Succenturiate placenta', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Normally ,the umbilical cord is inseed at the centre of fetal surface of placenta. In Velamentous inseion of cord - the blood vessels are attached to the amnion, where they ratify before reaching the placenta. Whenever patient goes into labour and cervix dilates, there are chances of umbilical cord being injured leading to fetal blood loss. This is called as Bad pre. Ref: Datta Obs 9e pg 36,206.', 'role': 'assistant'}]