diff --git a/src/worker/sql.rs b/src/worker/sql.rs
index a4813c6..57e80eb 100644
--- a/src/worker/sql.rs
+++ b/src/worker/sql.rs
@@ -2184,6 +2184,8 @@ pub const QUERY_AUTOBATISM: &str = r#"
 
 /// Fällige Geburten (Ehe): `marriage_pregnancy_due_at <= NOW()`.
 /// B2: keine Ehe-Geburt, solange die Mutter eine **geplante** Schwangerschaft (`character.pregnancy_due_at`) hat.
+/// B3: keine Ehe-Geburt am selben Kalendertag, an dem die Mutter schon **irgendein** Kind geboren hat
+///     (Ehe/Liebschaft/geplant — ein Kind pro Mutter und Tag).
 pub const QUERY_GET_MARRIAGE_BIRTH_DELIVERIES: &str = r#"
         SELECT
             r.id AS relationship_id,
@@ -2209,7 +2211,13 @@ pub const QUERY_GET_MARRIAGE_BIRTH_DELIVERIES: &str = r#"
           AND r.marriage_pregnancy_due_at <= NOW()
           AND ((c1.gender = 'male' AND c2.gender = 'female')
                OR (c1.gender = 'female' AND c2.gender = 'male'))
-          AND c_female.pregnancy_due_at IS NULL;
+          AND c_female.pregnancy_due_at IS NULL
+          AND NOT EXISTS (
+              SELECT 1
+                FROM falukant_data.child_relation cr_b
+               WHERE cr_b.mother_character_id = c_female.id
+                 AND cr_b.created_at::date = CURRENT_DATE
+          );
 "#;
 
 pub const QUERY_CLEAR_MARRIAGE_PREGNANCY_DUE: &str = r#"
@@ -2372,6 +2380,12 @@ pub const QUERY_GET_LEGACY_MARRIAGE_INSTANT_PREGNANCY_CANDIDATES: &str = r#"
             WHERE ((c1.gender = 'male' AND c2.gender = 'female')
                OR (c1.gender = 'female' AND c2.gender = 'male'))
               AND c_female.pregnancy_due_at IS NULL
+              AND NOT EXISTS (
+                  SELECT 1
+                    FROM falukant_data.child_relation cr_b
+                   WHERE cr_b.mother_character_id = c_female.id
+                     AND cr_b.created_at::date = CURRENT_DATE
+              )
         ),
         mother_age AS (
             SELECT
@@ -2459,6 +2473,7 @@ pub const QUERY_CHARACTER_PLANNED_PREGNANCY_COLUMNS_READY: &str = r#"
 
 /// Fällige **geplante** Geburten (Weg A): Mutter trägt Termin + Vater; kein Ehe-`relationship`-Bezug.
 /// Vater NULL oder = Mutter: keine Zeile (Daemon überspringt; optional im Log).
+/// Keine Auslieferung, wenn die Mutter heute schon ein Kind geboren hat (ein Kind pro Mutter und Tag).
 pub const QUERY_GET_PLANNED_CHARACTER_BIRTH_DELIVERIES: &str = r#"
         SELECT
             c_m.id AS mother_cid,
@@ -2486,7 +2501,13 @@ pub const QUERY_GET_PLANNED_CHARACTER_BIRTH_DELIVERIES: &str = r#"
           AND c_m.pregnancy_due_at <= NOW()
           AND c_m.pregnancy_father_character_id IS NOT NULL
           AND c_m.pregnancy_father_character_id <> c_m.id
-          AND c_m.health > 0;
+          AND c_m.health > 0
+          AND NOT EXISTS (
+              SELECT 1
+                FROM falukant_data.child_relation cr_b
+               WHERE cr_b.mother_character_id = c_m.id
+                 AND cr_b.created_at::date = CURRENT_DATE
+          );
 "#;
 
 pub const QUERY_CLEAR_CHARACTER_PREGNANCY_AFTER_BIRTH: &str = r#"
@@ -3919,6 +3940,8 @@ pub const QUERY_UPDATE_CHARACTER_REPUTATION: &str = r#"
      WHERE id = $2::int;
 "#;
 
+/// Liebschafts-Konzeption: gleiche Sperre wie Ehe auf `character.pregnancy_due_at` (geplante Schwangerschaft).
+/// Max. ein Kind pro Mutter und Kalendertag — unabhängig vom Vater (Ehe/Liebschaft/geplant).
 pub const QUERY_GET_LOVER_PREGNANCY_CANDIDATES: &str = r#"
     SELECT
         CASE WHEN c1.gender = 'male' THEN c1.id ELSE c2.id END AS father_cid,
@@ -3946,12 +3969,12 @@ pub const QUERY_GET_LOVER_PREGNANCY_CANDIDATES: &str = r#"
       -- `last_monthly_processed_at` wird im Familien-Tageslauf mitgeführt (1 Spieljahr = 1 Kalendertag).
       AND rs.last_monthly_processed_at IS NOT NULL
       AND rs.last_monthly_processed_at >= NOW() - INTERVAL '50 days'
+      AND c_female.pregnancy_due_at IS NULL
       AND NOT EXISTS (
           SELECT 1
             FROM falukant_data.child_relation cr
-           WHERE cr.father_character_id = (CASE WHEN c1.gender = 'male' THEN c1.id ELSE c2.id END)
-             AND cr.mother_character_id = (CASE WHEN c1.gender = 'female' THEN c1.id ELSE c2.id END)
-             AND cr.created_at::date >= CURRENT_DATE
+           WHERE cr.mother_character_id = c_female.id
+             AND cr.created_at::date = CURRENT_DATE
       )
       AND (CURRENT_DATE - c_female.birthdate::date) >= 4380
       AND (CURRENT_DATE - c_female.birthdate::date) < 18993
@@ -4018,7 +4041,8 @@ pub const QUERY_INSERT_CHILD_RELATION_LOVER: &str = r#"
     );
 "#;
 
-/// Realismus-Regel: pro Mutter maximal eine Geburt pro Kalendertag.
+/// Pro Mutter maximal eine Geburt pro Kalendertag (jeder Vater); Rust prüft zusätzlich vor Insert.
+/// Kandidaten-Queries (Ehe/Liebschaft/geplant) schließen dieselbe Regel per `NOT EXISTS` ein.
 pub const QUERY_HAS_MOTHER_BIRTH_TODAY: &str = r#"
     SELECT EXISTS (
         SELECT 1