diff --git a/1.5/Assemblies/RJW_Menstruation.dll b/1.5/Assemblies/RJW_Menstruation.dll
index 3cb48fb..a62164e 100644
Binary files a/1.5/Assemblies/RJW_Menstruation.dll and b/1.5/Assemblies/RJW_Menstruation.dll differ
diff --git a/1.5/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_PregeneratedBabies.cs b/1.5/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_PregeneratedBabies.cs
index 4709404..5d5afe4 100644
--- a/1.5/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_PregeneratedBabies.cs
+++ b/1.5/source/RJW_Menstruation/RJW_Menstruation/HediffComps/HediffComp_PregeneratedBabies.cs
@@ -294,6 +294,7 @@ namespace RJW_Menstruation
                     {
                         Pawn baby = comp.PeekBaby();
                         Pawn thisFather = baby.GetFather() ?? father;
+                        if (thisFather == geneticMother || thisFather == mother) thisFather = null;
                         baby.relations.ClearAllRelations();
 
                         PregnancyUtility.ApplyBirthOutcome(outcome, quality, ritual, genes, geneticMother, birtherThing, thisFather, doctor, lordJobRitual, assignments);