Cramping after trigger shot

I was put on 100mg clomid which i started last Thursday. Gave myself a shot of Menopur on Saturday. Went in for an ultra sound on Tuesday. I had four follicles that were mature 16-23 so my dr gave me an overdryl shot. On Thursday morning (approximetly 40 hrs after the shot) i started cramping like period cramps. Husband and i BD on saturday, sunday, monday, wednesday and thursday. Has anyone else felt cramping like that after a trigger shot? If so did it result in a pregnancy? SO and i have been trying for 2 years and had a MC a year ago. I have never had cramps like that before around ovulation and it is making me nervous.