Studies have shown that as many as 50%-80% of injected veins may be eliminated with each session of sclerotherapy. Less than 10% of the people who have sclerotherapy do not respond to the injections at all. In these instances, different solutions can be tried.
noun. Fidelity is defined as being loyal or faithful, or an accurate copy. 1  When a worker is unfailingly loyal to a company, this is an example of fidelity. 2  When a man and a wife are faithful to each other and do not have extramarital sex, this is an example of fidelity.
Betrayal means an act of deliberate disloyalty, like when your friend told other people all your secrets. What a betrayal! Betrayal has to do with destroying someone's trust, possibly by lying. If you start dating your best friend's girlfriend behind his back, that's an act of betrayal.