diff --git a/src/app/modules/myinfo/myinfo.util.ts b/src/app/modules/myinfo/myinfo.util.ts
index e8c15fddd8..ce847be7c2 100644
--- a/src/app/modules/myinfo/myinfo.util.ts
+++ b/src/app/modules/myinfo/myinfo.util.ts
@@ -521,7 +521,7 @@ export const handleMyInfoChildHashResponse = (
     // Validate each answer (child)
     childAnswer.forEach((attrAnswer, subFieldIndex) => {
       const key = getMyInfoChildHashKey(
-        field._id as string,
+        field._id,
         subFields[subFieldIndex],
         childIndex,
         childName,
diff --git a/src/app/modules/submission/submission.utils.ts b/src/app/modules/submission/submission.utils.ts
index 495fc5f91d..e54346799f 100644
--- a/src/app/modules/submission/submission.utils.ts
+++ b/src/app/modules/submission/submission.utils.ts
@@ -752,17 +752,12 @@ export const getAnswersForChild = (
     return []
   }
   return response.answerArray.flatMap((arr, childIdx) => {
-    // First array element is always child name
-    const childName = arr[0]
     return arr.map((answer, idx) => {
       const subfield = subFields[idx]
       return {
-        _id: getMyInfoChildHashKey(
-          response._id,
-          subFields[idx],
-          childIdx,
-          childName,
-        ),
+        // Recreates the individual _id of the child field based on the parent field's _id and the subfield
+        // e.g., childrenbirthrecords.67585515e1ced6d790a91e14.childname.0
+        _id: `${MyInfoAttribute.ChildrenBirthRecords}.${response._id}.${subFields[idx]}.${childIdx}`,
         fieldType: response.fieldType,
         // qnChildIdx represents the index of the MyInfo field
         // childIdx represents the index of the child in this MyInfo field