This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical, surgical and gynaecological illness complicating pregnancy, Subject name: Gynaecology & Obstetrics
Prolactinoma in pregnancy, all are true except: 
Select and explain. 
A. Most common pituitary tumor but rarely symptomatic, B. Increase in prolactin levels worse prognosis, C. Macroadenoma> 1 cm is associated with bad prognosis, D. Regular visual checkup
B: Increase in prolactin levels worse prognosis
Answer: B: Increase in prolactin levels worse prognosis 
Explanation: Prolactinoma pituitary adenoma Prlactin level is >100ng/dl most are microadenoma<1cm diameter macroadenoma has bad prognosis visual field examination is essential to detect any compression effect on the optic nerves D.C.DUTTA&;S TEXTBOOK OF GYNECOLOGY,Pg no:464,6th edition