def _filter(self, case):
     return pregnancy_registered_last_month(case) and not has_visit(case, 'bp')
 def _filter(self, case):
     def _ifa_tabs(case):
         ifa = getattr(case, "ifa_tablets", None)
         return int(ifa) if ifa else 0
     return pregnancy_registered_last_month(case) and _ifa_tabs(case) > 0
 def _filter(self, case):
     return pregnancy_registered_last_month(case)