This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Clinical Features, Diagnosis, and Pathology, Subject name: Gynaecology & Obstetrics
[{'content': 'Most common type of degeneration of uterine fibroid during pregnancy? \nSelect and explain. \nA. Cystic degeneration, B. Red degeneration, C. Calcific degeneration, D. Hyaline degeneration', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. Red degeneration. (Ref Textbook of Gynaecology by D C Dutta 5th/pg. 265)Textbook of Gynaecology by D C Dutta 5th/pg. 265....under the heading "Degenerations" & subheading "Red degeneration ".........."Red degeneration (carneous degeneration) occurs in a large fibroid mainly during second half of pregnancy and puerperium. Partial recovery is possible and as such called necrobiosis. The cause is not known but is probably vascular in origin. Infection does not play any part".Also remember:# Hyaline degeneration is the most common (65%) type of degeneration affecting all fibroids except tiny one.# Fatty degeneration is usually found at or after menopause.# Cystic degeneration usually occurs after menopause and is common in interstitial fibroids.# Calcific degeneration (10%) usually involves subserous fibroids with small pedicle or those in postmenopausal women.', 'role': 'assistant'}]