 Information and consent Patients who are planned to receive a THA and fits within the inclusion and exclusion criteria of the study at Gentofte Hospital will be informed about the trial in the preoperative interview. In addition to the oral information provided, the patients will be given written information. This conversation will take place in an enclosed space without distractions or interruptions. The patient will receive adequate verbal and written information about the purposes, processes, potential benefits and risks including possible side effects. Investigator will ensure all patients have read and understood the information and consent form. Patients will be informed that they are entitled to consideration before consent is given. The subjects will also be informed that it is voluntary and that they at any time may withdraw from the trial. It is the investigators responsibility to ensure the above. 