diff --git a/1.4/Assemblies/RJW_Menstruation.dll b/1.4/Assemblies/RJW_Menstruation.dll
index 5c4fbdb..2f6e949 100644
Binary files a/1.4/Assemblies/RJW_Menstruation.dll and b/1.4/Assemblies/RJW_Menstruation.dll differ
diff --git a/1.4/MilkModule/Assemblies/MilkModule.dll b/1.4/MilkModule/Assemblies/MilkModule.dll
index 84a342d..8e534ac 100644
Binary files a/1.4/MilkModule/Assemblies/MilkModule.dll and b/1.4/MilkModule/Assemblies/MilkModule.dll differ
diff --git a/1.4/source/RJW_Menstruation/RJW_Menstruation/HediffComps/MenstruationUtility.cs b/1.4/source/RJW_Menstruation/RJW_Menstruation/HediffComps/MenstruationUtility.cs
index 38df276..63b7c7a 100644
--- a/1.4/source/RJW_Menstruation/RJW_Menstruation/HediffComps/MenstruationUtility.cs
+++ b/1.4/source/RJW_Menstruation/RJW_Menstruation/HediffComps/MenstruationUtility.cs
@@ -397,7 +397,12 @@ namespace RJW_Menstruation
         {
             if (!Configurations.EnableAnimalCycle && pawn.IsAnimal()) return false;
             if (pawn.RaceHasOviPregnancy()) return false;
-            // TODO: Exclude egglaying genes
+            if (ModsConfig.BiotechActive && pawn.genes != null)
+            {
+                foreach (Gene gene in pawn.genes.GenesListForReading)
+                    if (VariousDefOf.EggLayerGenes.Contains(gene.def)) return false;
+            }
+            
             return true;
         }
 
diff --git a/1.4/source/RJW_Menstruation/RJW_Menstruation/VariousDefOf.cs b/1.4/source/RJW_Menstruation/RJW_Menstruation/VariousDefOf.cs
index 9122331..6cb6f8b 100644
--- a/1.4/source/RJW_Menstruation/RJW_Menstruation/VariousDefOf.cs
+++ b/1.4/source/RJW_Menstruation/RJW_Menstruation/VariousDefOf.cs
@@ -69,6 +69,7 @@ namespace RJW_Menstruation
         private static HashSet<HediffDef> allvaginas = null;
         private static HashSet<HediffDef> allanuses = null;
         private static HashSet<HediffDef> allbreasts = null;
+        private static HashSet<GeneDef> egglayergenes = null;
 
         public static List<ThingDef> AllRaces
         {
@@ -161,6 +162,21 @@ namespace RJW_Menstruation
                 return allbreasts;
             }
         }
+        public static HashSet<GeneDef> EggLayerGenes
+        {
+            get
+            {
+                if (egglayergenes != null) return egglayergenes;
+                egglayergenes = new HashSet<GeneDef>();
+
+                GeneDef AG_EggLaying = DefDatabase<GeneDef>.GetNamedSilentFail("AG_EggLaying"); // Alpha Genes
+                GeneDef VRESaurids_Oviparous = DefDatabase<GeneDef>.GetNamedSilentFail("VRESaurids_Oviparous"); // VE Saurid
+                if (AG_EggLaying != null) egglayergenes.Add(AG_EggLaying);
+                if (VRESaurids_Oviparous != null) egglayergenes.Add(VRESaurids_Oviparous);
+
+                return egglayergenes;
+            }
+        }
 
         // Defs from Milkable Colonists
         public static readonly HediffDef Hediff_Lactating_Drug = DefDatabase<HediffDef>.GetNamedSilentFail("Lactating_Drug");
diff --git a/changelogs.txt b/changelogs.txt
index 964b579..785309c 100644
--- a/changelogs.txt
+++ b/changelogs.txt
@@ -5,6 +5,7 @@ Version 1.0.9.2
  - Handle errors more gracefully when starting a pregnancy.
  - Fix implanting multiple eggs in an animal when configured to use Biotech pregnancies.
  - Egglaying races no longer have a menstrual cycle, regardless of vagina type.
+ - Pawns with the egglaying genes from Alpha Genes or VE Saurids no longer have a menstrual cycle.
  - Tampons and pads are now allowed by default in the worker, soldier, and slave starting outfits.
 
 Version 1.0.9.1