your nurse is right hun - the pregnyl will give you mild pg symptoms (sore bb's etc - sometimes mild nausea) - and the pregnyl will delay AF as it's progesterone support - AF arrives when your progesterone levels drop at the end of the luteal phase. you can't even do a HPT as the pregnyl will possibly show up a positive result that isn't correct. i'm sure your BT has been timed to ensure that the pregnyl is out of your system - hoping that you get a BFP