Laporoscapy/Dye thru tubes and D&C on thursday

Kershal • MC 9th oct 2014, BFP 10th Oct 2015
So 2 years Activly TTC, 7 Rounds of clomid 5x 50mg and last 2 100mg 2nd round success but MC , Now cause i have high suspisions of having endometriosis i am booked in for surgery this thursday to have a laporoscapy, Dye thru my tubes and a D&C, then after this go for all these blood tests shown then start 250mg metformin then after 2 weeks up to 500mg... any1 else went thru all this?