diff --git a/src/Components/Patient/ManagePatients.tsx b/src/Components/Patient/ManagePatients.tsx
index ff4838c582..dd9a58ad80 100644
--- a/src/Components/Patient/ManagePatients.tsx
+++ b/src/Components/Patient/ManagePatients.tsx
@@ -222,6 +222,10 @@ export const PatientManager = () => {
     last_consultation_is_telemedicine:
       qParams.last_consultation_is_telemedicine || undefined,
     is_antenatal: qParams.is_antenatal || undefined,
+    last_menstruation_start_date_after:
+      (qParams.is_antenatal === "true" &&
+        dayjs().subtract(9, "month").format("YYYY-MM-DD")) ||
+      undefined,
     ventilator_interface: qParams.ventilator_interface || undefined,
     diagnoses: qParams.diagnoses || undefined,
     diagnoses_confirmed: qParams.diagnoses_confirmed || undefined,
diff --git a/src/Components/Patient/PatientFilter.tsx b/src/Components/Patient/PatientFilter.tsx
index ce0b576b46..7c68dce8fb 100644
--- a/src/Components/Patient/PatientFilter.tsx
+++ b/src/Components/Patient/PatientFilter.tsx
@@ -432,7 +432,7 @@ export default function PatientFilter(props: any) {
               }
             />
           </div>
-          {/* <div className="w-full flex-none">
+          <div className="w-full flex-none">
             <FieldLabel className="text-sm">Is Antenatal</FieldLabel>
             <SelectMenuV2
               placeholder="Show all"
@@ -440,12 +440,17 @@ export default function PatientFilter(props: any) {
               optionLabel={(o) =>
                 o === "true" ? "Antenatal" : "Non-antenatal"
               }
+              optionDescription={(o) =>
+                o === "true"
+                  ? "i.e., last menstruation start date is within the last 9 months"
+                  : undefined
+              }
               value={filterState.is_antenatal}
               onChange={(v) =>
                 setFilterState({ ...filterState, is_antenatal: v })
               }
             />
-          </div> */}
+          </div>
           <div className="w-full flex-none">
             <FieldLabel className="text-sm">Review Missed</FieldLabel>
             <SelectMenuV2