diff --git a/1.4/Assemblies/RJW_Menstruation.dll b/1.4/Assemblies/RJW_Menstruation.dll
index 7aadb4a..ae8c52b 100644
Binary files a/1.4/Assemblies/RJW_Menstruation.dll and b/1.4/Assemblies/RJW_Menstruation.dll differ
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 6e225e8..29b54cc 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
@@ -1550,7 +1550,7 @@ namespace RJW_Menstruation
         {
             if (curStageHrs >= currentIntervalHours)
             {
-                if (Pawn.health.capacities.GetLevel(xxx.reproduction) == 0 || EggHealth <= 0)
+                if (Pawn.health.capacities.GetLevel(xxx.reproduction) == 0 || EggHealth <= 0 || Pawn.SterileGenes())
                 {
                     GoNextStage(Stage.Infertile);
                 }
@@ -1572,7 +1572,7 @@ namespace RJW_Menstruation
 
         protected virtual void InfertileAction()
         {
-            if (Pawn.health.capacities.GetLevel(xxx.reproduction) <= 0 || EggHealth <= 0)
+            if (Pawn.health.capacities.GetLevel(xxx.reproduction) <= 0 || EggHealth <= 0 || Pawn.SterileGenes())
             {
                 StayCurrentStageConst(Stage.Infertile);
             }