diff --git a/1.4/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_Menstruation.cs b/1.4/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_Menstruation.cs
index 5569cdf..0208c9c 100644
--- a/1.4/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_Menstruation.cs
+++ b/1.4/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_Menstruation.cs
@@ -328,7 +328,7 @@ namespace RJW_Menstruation
             }
             else
             {
-                return Pawn.health.capacities.GetLevel(xxx.reproduction) * Props.baseImplantationChanceFactor * FertilityModifier;
+                return Pawn.health.capacities.GetLevel(xxx.reproduction) * Props.baseImplantationChanceFactor * FertilityModifier * (Pawn.IsBreeder() ? 10.0f : 1.0f);
             }
         }