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 6742264..803ff77 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
@@ -1499,11 +1499,14 @@ namespace RJW_Menstruation
                     }
                 }
                 else
-                {                    
+                {
                     if (Configurations.Debug)
                     {
-                        float implantChance = Configurations.ImplantationChance * ImplantChance * InterspeciesImplantFactor(egg.fertilizer);
-                        Log.Message($"Fertilized egg of {Pawn} failed to implant (chance {implantChance.ToStringPercent()}, father {egg.fertilizer})");
+                        float interspeciesFactor = InterspeciesImplantFactor(egg.fertilizer);
+                        float implantChance = Configurations.ImplantationChance * ImplantChance * interspeciesFactor;
+                        Log.Message($"Fertilized egg of {Pawn} failed to implant (chance {implantChance.ToStringPercent()}, " +
+                            (interspeciesFactor < 1.0f ? $"interspecies factor {interspeciesFactor.ToStringPercent()}, " : "" ) +
+                            $"father {egg.fertilizer})");
                     }
                     deadeggs.Add(egg);
                 }