Endo scraping ??

We started seeing a new dr and he wants to try endometrial scraping this cycle. He said it causes an inflammatory response in the uterus which will make it more likely for an egg to implant. Our last 2 drs never tried or mentioned this as an option. He said we could be fertilizing eggs this whole time and they just arent implanting. Has this worked for anyone? We will do 5mg letrozole on cd 2-6 then around cd 8 do the scraping, ultrasound on cd13 then start progesterone 2 dpo. It just seems weird to me that something this simple might work.