diff --git a/1.5/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_Menstruation.cs b/1.5/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_Menstruation.cs
index cdf9afd..ffb4296 100644
--- a/1.5/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_Menstruation.cs
+++ b/1.5/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_Menstruation.cs
@@ -1013,7 +1013,7 @@ namespace RJW_Menstruation
             float leakfactor = 1.0f;
             float totalleak = 0f;
             float cumd = TotalCumPercent;
-            List<string> filthlabels = new List<string>();
+            List<string> filthlabels = new List<string>(cums.Count);
             BeforeCumOut(out Absorber absorber);
             if (cums.NullOrEmpty()) return;
             if (TotalCum > Props.maxCumCapacity * Pawn.BodySize) leakfactor = Math.Min(1 + (TotalCum - Props.maxCumCapacity * Pawn.BodySize) / 10, 2f);
@@ -1045,10 +1045,10 @@ namespace RJW_Menstruation
         {
             if (cums.NullOrEmpty()) return 0;
             float totalleak = 0;
-            List<string> filthlabels = new List<string>();
+            List<string> filthlabels = new List<string>(cums.Count);
             float outcum = 0;
             float cumd = TotalCumPercent;
-            HashSet<Cum> removecums = new HashSet<Cum>();
+            HashSet<Cum> removecums = new HashSet<Cum>(cums.Count);
             foreach (Cum cum in cums)
             {
                 float vd = cum.DismishForce(portion);
@@ -1079,8 +1079,8 @@ namespace RJW_Menstruation
             if (cums.NullOrEmpty()) return null;
             Color color = GetCumMixtureColor;
             float totalleak = 0;
-            List<string> cumlabels = new List<string>();
-            HashSet<Cum> removecums = new HashSet<Cum>();
+            List<string> cumlabels = new List<string>(cums.Count);
+            HashSet<Cum> removecums = new HashSet<Cum>(cums.Count);
             bool pure = true;
             foreach (Cum cum in cums)
             {
@@ -1370,7 +1370,7 @@ namespace RJW_Menstruation
         {
             if (eggs.NullOrEmpty()) return false;
 
-            HashSet<Egg> deadeggs = new HashSet<Egg>();
+            HashSet<Egg> deadeggs = new HashSet<Egg>(eggs.Count);
             bool pregnant = false;
             foreach (Egg egg in eggs)
             {
@@ -1574,7 +1574,7 @@ namespace RJW_Menstruation
 
         protected void EggDecay()
         {
-            HashSet<Egg> deadeggs = new HashSet<Egg>();
+            HashSet<Egg> deadeggs = new HashSet<Egg>(eggs.Count);
             foreach (Egg egg in eggs)
             {
                 egg.ageTicks += TickInterval * Configurations.CycleAcceleration;