Effects of Glucagon-like-Peptide-1 Analogues on Sexuality

Inclusion Criteria: * BMI ≥ 27 kg/m2 * Willingness to lose weight by lifestyle changes only or by lifestyle changes plus GLP-1 analogue treatment as agreed in a routine clinical appointment * Active sex life (sex with partner or masturbation ≥2x/month) * Eugonadism: * Men: morning total testosterone ≥12mmol/l or free testosterone ≥ 0.198 nmol/l if\< 50 years old and ≥ 0.163 if \> 50 years old * Women: no primary or secondary amenorrhea (inclusive menopause) \*Secondary amenorrhea is defined as "absence of menses for more than three months in women who previously had regular menstrual cycles or six months in women who had irregular menses". Exclusion Criteria: * Diabetes mellitus, HbA1c ≥ 6,5 % * Previous use of GLP-1 analogues during last 2 months. * Exogenous testosterone substitution * Current illicit drug abuse * Pregnancy