Can any one help that was in the same suitation?

we had a baby boy 2 yrs ago the same time my husband got testicular cancer he had his opperation b 4 i came home from hospital [i had a section] we have sperm frozen we are almost 7 mts trying and nothen happening i dont know if i want ivf i havent talked 2 my husband about this i dont want him thinking its all his fault its not but thats the way he would feel am i getting excited over nothing i know im very lucky that i have one beautfull child but i would like 3 or4 more im 33 my husband is 41