diff --git a/1.4/source/RJW_Menstruation/RJW_Menstruation/Configurations.cs b/1.4/source/RJW_Menstruation/RJW_Menstruation/Configurations.cs
index 6a2b0cd..07fd58f 100644
--- a/1.4/source/RJW_Menstruation/RJW_Menstruation/Configurations.cs
+++ b/1.4/source/RJW_Menstruation/RJW_Menstruation/Configurations.cs
@@ -21,6 +21,7 @@ namespace RJW_Menstruation
         public const int ColonistTickIntervalDefault = 2500; // 1 hour
         public const int NonColonistTickIntervalDefault = 2500;
         public const int AnimalTickIntervalDefault = 2500;
+        public const int TickIntervalMinimum = 20;
         public const float EnzygoticTwinsChanceDefault = 0.002f;
         public const int EnzygoticTwinsChanceAdjustDefault = 2;
         public const int MaxEnzygoticTwinsDefault = 9;
@@ -431,15 +432,15 @@ namespace RJW_Menstruation
             Configurations.CycleAcceleration = (int)listmain.Slider(Configurations.CycleAcceleration, 1, 50);
 
             listmain.LabelDouble(Translations.Option_ColonistUpdateInterval_Label, GenDate.ToStringTicksToPeriod(Configurations.ColonistTickInterval), Translations.Option_ColonistUpdateInterval_Desc);
-            Configurations.ColonistTickInterval = (int)Mathf.Exp(listmain.Slider(Mathf.Log(Configurations.ColonistTickInterval), Mathf.Log(20), Mathf.Log(4 * GenDate.TicksPerHour)));
+            Configurations.ColonistTickInterval = (int)Mathf.Exp(listmain.Slider(Mathf.Log(Configurations.ColonistTickInterval), Mathf.Log(Configurations.TickIntervalMinimum), Mathf.Log(4 * GenDate.TicksPerHour)));
 
             listmain.LabelDouble(Translations.Option_NonColonistUpdateInterval_Label, GenDate.ToStringTicksToPeriod(Configurations.NonColonistTickInterval), Translations.Option_NonColonistUpdateInterval_Desc);
-            Configurations.NonColonistTickInterval = (int)Mathf.Exp(listmain.Slider(Mathf.Log(Configurations.NonColonistTickInterval), Mathf.Log(20), Mathf.Log(4 * GenDate.TicksPerHour)));
+            Configurations.NonColonistTickInterval = (int)Mathf.Exp(listmain.Slider(Mathf.Log(Configurations.NonColonistTickInterval), Mathf.Log(Configurations.TickIntervalMinimum), Mathf.Log(4 * GenDate.TicksPerHour)));
 
             if(Configurations.EnableAnimalCycle)
             {
                 listmain.LabelDouble(Translations.Option_AnimalUpdateInterval_Label, GenDate.ToStringTicksToPeriod(Configurations.AnimalTickInterval), Translations.Option_AnimalUpdateInterval_Desc);
-                Configurations.AnimalTickInterval = (int)Mathf.Exp(listmain.Slider(Mathf.Log(Configurations.AnimalTickInterval), Mathf.Log(20), Mathf.Log(4 * GenDate.TicksPerHour)));
+                Configurations.AnimalTickInterval = (int)Mathf.Exp(listmain.Slider(Mathf.Log(Configurations.AnimalTickInterval), Mathf.Log(Configurations.TickIntervalMinimum), Mathf.Log(4 * GenDate.TicksPerHour)));
             }            
 
             float var2 = EstimatedBleedingAmountPerHour;
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 44a1a5a..1fd7560 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
@@ -170,6 +170,7 @@ namespace RJW_Menstruation
                 }
                 return tickInterval;
             }
+            set => tickInterval = value;
         }
 
         public Hediff Pregnancy {
@@ -716,7 +717,7 @@ namespace RJW_Menstruation
                     Initialize();
                 }
 
-                if (Pawn.IsHashIntervalTick(recalculateTickInterval)) tickInterval = -1;  // Every so often, force TickInterval to be recalculated in case the pawn's status changed.
+                if (Pawn.IsHashIntervalTick(recalculateTickInterval)) TickInterval = -1;  // Every so often, force TickInterval to be recalculated in case the pawn's status changed.
                 if (!Pawn.IsHashIntervalTick(TickInterval)) return;
                 
                 if (initError) Log.Warning($"Attempting to process {Pawn}'s womb uninitialized");
@@ -1331,8 +1332,9 @@ namespace RJW_Menstruation
 
             float totalFertPower = eligibleCum.Sum(cum => cum.FertVolume);
 
-            float fertFailChancePerHour = Mathf.Pow(1.0f - Configurations.FertilizeChance, totalFertPower * Props.basefertilizationChanceFactor);
-            float fertFailChancePerInterval = Mathf.Pow(fertFailChancePerHour, (float)TickInterval / GenDate.TicksPerHour);
+            //float fertFailChancePerHour = Mathf.Pow(1.0f - Configurations.FertilizeChance, totalFertPower * Props.basefertilizationChanceFactor);
+            //float fertFailChancePerInterval = Mathf.Pow(fertFailChancePerHour, (float)TickInterval / GenDate.TicksPerHour);
+            float fertFailChancePerInterval = Mathf.Pow(1.0f - Configurations.FertilizeChance, totalFertPower * Props.basefertilizationChanceFactor * TickInterval / GenDate.TicksPerHour);
             
             if (Rand.Chance(fertFailChancePerInterval)) return null;