public IEnumerable <string> Validate()
{
if (string.IsNullOrEmpty(Id) || string.IsNullOrWhiteSpace(Id))
{
yield return(IdCantBeNull.ToString());
}
if (Genders.IsEmpty())
{
yield return(OneGenderRequired.ToString());
}
if (Units.IsEmpty())
{
yield return(OneUnitRequired.ToString());
}
}