Based on the context and the answer, generate a question. 

Context: Just got back from minor class . My pregger 's dear lecturer was only in class for 1 hour . I salute her for being so tough and very understanding . Yesterday class , when she told us about her experiences in UK and the obstacles that she had to face made me drown in tear .

Answer:

The lecturer was pregnant making it hard to stand for a long time .



What may be the reason the lecturer was only in class for one hour ?