diff --git a/backend/src/routes/auth/auth.service.ts b/backend/src/routes/auth/auth.service.ts
index 308bb81..e31085e 100644
--- a/backend/src/routes/auth/auth.service.ts
+++ b/backend/src/routes/auth/auth.service.ts
@@ -552,7 +552,8 @@ export class AuthService {
                     : undefined;
                 enfant.photo_url = urlPhoto || undefined;
                 enfant.status = enfantDto.date_naissance ? StatutEnfantType.SANS_GARDE : StatutEnfantType.A_NAITRE;
-                enfant.consent_photo = false;
+                enfant.consent_photo = !!enfantDto.consent_photo;
+                enfant.consent_photo_at = enfant.consent_photo ? new Date() : null!;
                 enfant.is_multiple = enfantDto.grossesse_multiple || false;
 
                 const enfantEnregistre = await manager.save(Children, enfant);
@@ -1074,6 +1075,12 @@ export class AuthService {
                     if (enfantDto.grossesse_multiple !== undefined) {
                         enfant.is_multiple = enfantDto.grossesse_multiple;
                     }
+                    if (enfantDto.consent_photo !== undefined) {
+                        enfant.consent_photo = !!enfantDto.consent_photo;
+                        enfant.consent_photo_at = enfant.consent_photo
+                            ? new Date()
+                            : null!;
+                    }
 
                     if (enfantDto.photo_base64 && enfantDto.photo_filename) {
                         enfant.photo_url = await this.sauvegarderPhotoDepuisBase64(
diff --git a/backend/src/routes/auth/dto/enfant-inscription.dto.ts b/backend/src/routes/auth/dto/enfant-inscription.dto.ts
index 9ee120c..dce0f51 100644
--- a/backend/src/routes/auth/dto/enfant-inscription.dto.ts
+++ b/backend/src/routes/auth/dto/enfant-inscription.dto.ts
@@ -59,5 +59,14 @@ export class EnfantInscriptionDto {
   @IsOptional()
   @IsBoolean()
   grossesse_multiple?: boolean;
+
+  @ApiProperty({
+    example: true,
+    required: false,
+    description: 'Consentement affichage / stockage photo (colonne enfants.consentement_photo)',
+  })
+  @IsOptional()
+  @IsBoolean()
+  consent_photo?: boolean;
 }
 
diff --git a/backend/src/routes/enfants/enfants.service.ts b/backend/src/routes/enfants/enfants.service.ts
index e4b46c4..7f4552c 100644
--- a/backend/src/routes/enfants/enfants.service.ts
+++ b/backend/src/routes/enfants/enfants.service.ts
@@ -120,7 +120,13 @@ export class EnfantsService {
     const child = await this.childrenRepository.findOne({ where: { id } });
     if (!child) throw new NotFoundException('Enfant introuvable');
 
-    await this.childrenRepository.update(id, dto);
+    const patch: Partial<Children> = { ...dto } as Partial<Children>;
+    if (dto.consent_photo !== undefined) {
+      patch.consent_photo = dto.consent_photo;
+      patch.consent_photo_at = dto.consent_photo ? new Date() : null!;
+    }
+
+    await this.childrenRepository.update(id, patch);
     return this.findOne(id, currentUser);
   }
 
diff --git a/frontend/lib/utils/parent_registration_payload.dart b/frontend/lib/utils/parent_registration_payload.dart
index 70a9459..467cd35 100644
--- a/frontend/lib/utils/parent_registration_payload.dart
+++ b/frontend/lib/utils/parent_registration_payload.dart
@@ -167,6 +167,7 @@ class ParentRegistrationPayload {
     final map = <String, dynamic>{
       'genre': apiGenres.contains(c.genre) ? c.genre : 'Autre',
       'grossesse_multiple': c.multipleBirth,
+      'consent_photo': c.photoConsent,
     };
 
     final prenom = c.firstName.trim();
diff --git a/frontend/lib/utils/reprise_mapper.dart b/frontend/lib/utils/reprise_mapper.dart
index 53c285b..f965e1a 100644
--- a/frontend/lib/utils/reprise_mapper.dart
+++ b/frontend/lib/utils/reprise_mapper.dart
@@ -44,8 +44,8 @@ class RepriseMapper {
       lastName: e.lastName ?? '',
       dob: dob,
       genre: e.gender ?? '',
-      // Inscription initiale exigeait la coche pour envoyer la photo ; le back
-      // ne persistait pas toujours consent_photo — on pré-coche si photo en base.
+      // Legacy : dossiers inscrits avant #144 avaient consent_photo=false malgré une photo.
+      // On pré-coche encore si photo en base pour ne pas bloquer la reprise.
       photoConsent: e.consentPhoto || hasPhoto,
       multipleBirth: e.estMultiple,
       isUnbornChild: isUnborn,