Sexual health clinics specialize in the prevention and treatment of sexually transmitted infections. Sexual health clinics specialize in the prevention and treatment of sexually transmitted infections. Sexual health clinics are also called sexually transmitted disease (STD) clinics, sexually transmitted infection (STI) clinics, venereal disease (VD) clinics, or genitourinary medicine (GUM) clinics. Sexual health clinics differ from reproductive health and family planning clinics. Sexual health clinics offer only some reproductive health services. Reproductive health clinics, such as Planned Parenthood, offer most of the services of sexual health clinics.