diff --git a/1.3/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_Menstruation.cs b/1.3/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_Menstruation.cs
index 4c4e8b4..9265c22 100644
--- a/1.3/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_Menstruation.cs
+++ b/1.3/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_Menstruation.cs
@@ -887,7 +887,7 @@ namespace RJW_Menstruation
             if (!Props.infertile)
             {
                 if (cycleSpeed < 0f) cycleSpeed = Utility.RandGaussianLike(0.8f, 1.2f);
-                if (cycleVariability < 0f) cycleVariability = Utility.RandomVariabilityPercent();
+                if (cycleVariability < 0f) cycleVariability = MenstruationUtility.RandomVariabilityPercent();
                 if (currentIntervalHours < 0)
                 {
                     if (parent.pawn.health.capacities.GetLevel(xxx.reproduction) <= 0) curStage = Stage.Young;
diff --git a/1.3/source/RJW_Menstruation/RJW_Menstruation/HediffComps/MenstruationUtility.cs b/1.3/source/RJW_Menstruation/RJW_Menstruation/HediffComps/MenstruationUtility.cs
index 1fc58c6..b2d61c4 100644
--- a/1.3/source/RJW_Menstruation/RJW_Menstruation/HediffComps/MenstruationUtility.cs
+++ b/1.3/source/RJW_Menstruation/RJW_Menstruation/HediffComps/MenstruationUtility.cs
@@ -280,6 +280,21 @@ namespace RJW_Menstruation
             else return (hediff.p_end_tick - hediff.p_start_tick) / GenDate.TicksPerHour;
         }
 
+        public static float RandomVariabilityPercent(int recursion = 0)
+        {
+            // Humans, in days
+            const float mean = 1.635f;
+            const float stddev = 0.9138f;
+            const float lambda = 0.234f;
+            if (recursion >= 10) return mean / (28 * 2);
+
+            float variability = Rand.Gaussian(mean, stddev) - Mathf.Log(Rand.Value) / lambda;
+            variability /= 28 * 2;  // Convert to percentage
+
+            if (variability < 0 || variability > 0.35f) return RandomVariabilityPercent(recursion + 1); // ~2% chance, about the limit on how far variability can go before things start to break
+            else return variability;
+        }
+
         public static bool IsInEstrus(this Pawn pawn, bool visible = true)
         {
             if (pawn.Dead) return false;
diff --git a/1.3/source/RJW_Menstruation/RJW_Menstruation/Utility.cs b/1.3/source/RJW_Menstruation/RJW_Menstruation/Utility.cs
index 60cb8c4..41f4603 100644
--- a/1.3/source/RJW_Menstruation/RJW_Menstruation/Utility.cs
+++ b/1.3/source/RJW_Menstruation/RJW_Menstruation/Utility.cs
@@ -439,21 +439,6 @@ namespace RJW_Menstruation
 
         }
 
-        public static float RandomVariabilityPercent(int recursion = 0)
-        {
-            // Humans, in days
-            const float mean = 1.635f;
-            const float stddev = 0.9138f;
-            const float lambda = 0.234f;
-            if (recursion >= 10) return mean / (28 * 2);
-
-            float variability = Rand.Gaussian(mean, stddev) - Mathf.Log(Rand.Value) / lambda;
-            variability /= 28 * 2;  // Convert to percentage
-
-            if (variability < 0 || variability > 0.35f) return RandomVariabilityPercent(recursion + 1); // ~2% chance, about the limit on how far variability can go before things start to break
-            else return variability;
-        }
-
         public static float LerpMultiple(this float a, float b, float t, int num)
         {
             float tmult = Mathf.Pow(1 - t, num);