High dose letrozole

Aileen
I'm supposed to start higher dose letrozole today. I've done a round of 2.5 no ovulation, 5mg two follicles not sure of size and another 5mg, with one follicle. Dr wants me to start 10 today. When I told my husband he got mad saying the dr just wants to pump you full of drugs, it's already working. My problem was anovulation with pcos. I've heard higher doses make larger follicles and produce more giving a better chance. My husband thinks I'm going to get ovarian cancer if I take it. I'm already super sad about yet another failed cycle it's been a brutal two years. Anyone have any luck with high doses?