This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Uterine fibroid, Subject name: Gynaecology & Obstetrics
All are complication of leiomyoma in pregnancy except 
Select and explain. 
A. Red degeneration, B. Obstructed labour, C. PPH, D. Placenta pre
D: Placenta pre
Answer: D: Placenta pre 
Explanation: Secondary changes and complications in fibromyomas: Hyaline changes ,cystic degeneration and atrophy Calcareous degenetation,osseous degeneration Red degeneration Sarcomatous changes Torsion,haemorrhage Infection/ulceration,paicularly in dependent pa of a submucous polyp. Inversion of the uterus Endometrial carcinoma associated with fibromyoma Endometrial and myohyperplasia Parasitic fibroid Accompanying adenomyosis. Reference: Textbook of Shaw,15th edition,356