Do the concealed hediff removal in two stages to avoid a collection modification error

1.3/source/RJW_Menstruation/RJW_Menstruation/Hediff_Estrus.cs

@@ -1,4 +1,5 @@
 using RimWorld;
+using System.Collections.Generic;
 using System.Linq;
 using Verse;
 
@@ -30,7 +31,8 @@ namespace RJW_Menstruation
             base.PostAdd(dinfo);
             if (IsVisible)
             {
-                foreach (Hediff concealedEstrus in pawn.health.hediffSet.hediffs.Where(hediff => hediff.def == VariousDefOf.Hediff_Estrus_Concealed))
+                List<Hediff> removals = pawn.health.hediffSet.hediffs.Where(hediff => hediff.def == VariousDefOf.Hediff_Estrus_Concealed).ToList();
+                foreach (Hediff concealedEstrus in removals)
                 {
                     pawn.health.RemoveHediff(concealedEstrus);
                 }

changelogs.txt

@@ -1,4 +1,5 @@
 Version 1.0.7.5
+ - Fix error when one womb's concealed estrus is overwritten by another womb's visible estrus.
  - Climacteric and menopause are now per-womb. Their effect on overall sex drive and satisfaction will depend on the health of any other wombs.
 
 Version 1.0.7.4