I would not try another Liver Flush. Try Cascara Sagrada. When I had a surgery several years ago, the anaesthesia really constipated me (I guess it does that)--I thought I was going to have a heart attack. I called my colon therapist in a panic and she advised me to take that. Within a few hours, the Cascara Sagrada managed to loosen things up and get it moving.
I really find it alarming you have let it go this long--two weeks without a bowel movement! If she doesn't go soon, I would seek medical attention if the Cascara Sagrada doesn't help. I do hope it works.