*<div class="dropdown bootstrap-select">
  <select class="selectpicker" formControlName="gender" demon-ev="true" tabindex="-98" 
  (change)="changeGender($event)">
    <option value=""></option>
    <option *ngFor="let gender of genders" value="{{ gender.code }}">
    {{ ('gender_'+gender.code) | translate }}
    </option>
  </select>
</div>*

I need to translate gender. description , it can have 3 value (male,famale,undefined) I try with string intepulation but not work , pls help me