Quick Hair Loss Question

I have a quickie question about hair loss.  I am on Fec - have had 2 rounds.  My hair started falling out 2 weeks after first round.  I shaved to a 0 blade at 3 weeks and the stubble has steadily fallen out since (I am now day 9 after my second FEC).  I still have some stubble all over my head and am wondering whether to expect it to all go or have some stubble remain?  It doesn't really matter I suppose  just wondering what the norm is?

Thanks 

Amanda x