Diflucan during pregnancy

Has anyone been prescribed diflucan while pregnant? I have a horrible infection that I can't get to go away. My doctor wrote me a prescription for a cream to use for 7 days and if that didn't work she said to try the diflucan. But she says she really doesn't like to prescribe it during pregnancy. I have already done two rounds of monistat and it hasn't worked. Not sure if I should go ahead and take the diflucan or not.