Bloods too low for chemo

Hi went for chemo today and as much as I wasn't looking forward to it, I'm gutted that my bloods were too low and I couldn't have it. Have to until Monday and try again. This has put me in a negative mood. Is my body not coping as well as I thought?' 

Has this happened to anybody else? 

 

I have been on such a high and happy time as my daughter gave birth Monday morning to a very healthy baby boy.