If implants are ok, then all non-oral methods should be fine as well, whether they be patches, gels or injections. That would make sense, otherwise something is off. I acknowledge the fact that levels may be higher with injections but why not use the same approach and make it so surgery is undertaken near the end of the cycle, when levels are lowest. Also, why not measure clotting times, that should give an indication...For instance, in my case, with high levels around 1,000-4,000 pg/ml, clotting times remain normal (PTT, INR).