Pre-menstrual Dysphoric Disorder (PMDD) was NOT included in the appendix of the DSM-IV because

A) of insufficient research support for the diagnosis.
B) there was no medication available for treatment.
C) the diagnosis was not applicable to men.
D) there was no medication available for treatment and the diagnosis was not applicable to men.

Pre-menstrual Dysphoric Disorder

A severe form of premenstrual syndrome that significantly affects a woman's emotional and physical health.

DSM-IV

The fourth edition of the Diagnostic and Statistical Manual of Mental Disorders, a guide for diagnosing mental disorders.

Appendix

A small tube-shaped sac attached to the lower end of the large intestine, whose function in humans is considered vestigial.