I'm putting this here as it is probably because of a mod, but i've noticed that when my nord character becomes a vampire he becomes slightly shorter. My mod list is,
Spoiler
Skyrim.esm
Update.esm
Dawnguard.esm
3rdEraWeaponsMoS.esm
ETaC - RESOURCES.esm
SPIKE.esm
ClimatesOfTamriel.esm
WinterholdDestruction.esm
ApachiiHair.esm
ApachiiHairMales.esm
Ambience Music Overhaul - with vanilla music.esm
brawlbug-plugin.esp
lightingfix.esp
Unofficial Dawnguard Patch.esp
Improved Combat Sounds v2.1.esp
ClimatesOfTamriel-Dawnguard-Patch.esp
Weapons and Armor fixes.esp
Weapons and Armor fixes - Hacks.esp
Economics of Skyrim.esp
Birds.esp
Chesko_WearableLantern.esp
Cowardly horses.esp
Cowardly essential horses.esp
Cowardly Frost.esp
Cowardly essential Frost.esp
Cowardly Shadowmere.esp
Cowardly essential Shadowmere.esp
CrossbowsRevamped.esp
Immersive Battles.esp
Immersive Dawnguard.esp
Immersive Patrols.esp
Immersive Travelers.esp
Immersive Werewolves.esp
Ish's Souls to Perks.esp
Lost Art of the Blacksmith.esp
Occupy Skyrim.esp
Portable Campsite Lite.esp
Real Wildlife Skyrim 0.1.esp
Tamriel Compendium - Skill Books.esp
Tamriel Compendium.esp
ValsCraftingMeltdownAlpha.esp
AdventurersAndTravelersLight.esp
Cloaks.esp
Cloaks - Player Only.esp
Cloaks - No Imperial.esp
hothtrooper44_ArmorCompilation.esp
MorrowindArmor.esp
3rdEraWeapMoS-lvlList.esp
3rdEraWeapMoS-rareCraft.esp
Dr_Bandolier.esp
ImmersiveArmorsNPCs.esp
DeadlyDragons.esp
Run For Your Lives.esp
Proper Aiming.esp
BetterQuestObjectives.esp
FasterArrows50.esp
FasterArrows.esp
FasterArrows100.esp
FasterArrows75.esp
Guard Dialogue Overhaul.esp
Headtracking.esp
ETaC - Morthal.esp
ETaC - Villages Complete.esp
ExpandedWinterholdRuins.esp
Unique Region Names.esp
Better Vampires.esp
Predator Vision.esp
DG-NoAttacks.esp
dovahkiinrelax.esp
Enchanting Freedom.esp
PerkUP-Speech.esp
PerkUP-Sneak.esp
PerkUP-Restoration.esp
PerkUP-OneHanded.esp
PerkUP-Lockpicking.esp
PerkUP-LightArmor.esp
PerkUP-Pickpocket.esp
PerkUP-HeavyArmor.esp
PerkUP-Destruction.esp
PerkUP-Archery.esp
PerkUP-Alteration.esp
PerkUP-Smithing.esp
PerkUP-Conjuration.esp
PerkUP-Enchanting.esp
PerkUP-Block.esp
PerkUP-TwoHanded.esp
PerkUP-Illusion.esp
PerkUP-Alchemy.esp
PerkUP-zOptional_LightArmor_NoHelmsReq.esp
PerkUP-zOptional_HeavyArmor_NoHelmsReq.esp
Crimson Tide - Blood.esp
Reduced Distance NPC Greetings.esp
Alternate Start - Live Another Life.esp
AROP- Orsimer Edition.esp
AROP- Bosmer Edition.esp
AROP- Khajit Edition.esp
AROP- Breton Edition.esp
AROP- Dunmer Edition.esp
AROP- Nord Edition.esp
AROP- Imperial Edition.esp
AROP- Altmer Edition - NW.esp
AROP- Altmer Edition.esp
AROP- Argonian Edition - Poison.esp
AROP- Argonian Edition.esp
AROP- Redguard Edition - SS.esp
AROP- Redguard Edition.esp
Height Adjusted Races v4.esp
getSnowy.esp
even more dragpns!.esp
Ambience Music Overhaul - Combat - with vanilla music.esp
Ambience Music Overhaul - Interiors and Special - with vanilla music.esp
Undead Vampires Player and NPCs.esp
TS_BloodOmNomNom.esp
papermapheightenhanced.esp
Unlevelled World.esp
Unlevelled World - War in Skyrim II Patch.esp
Skyrim.esm
Update.esm
Dawnguard.esm
3rdEraWeaponsMoS.esm
ETaC - RESOURCES.esm
SPIKE.esm
ClimatesOfTamriel.esm
WinterholdDestruction.esm
ApachiiHair.esm
ApachiiHairMales.esm
Ambience Music Overhaul - with vanilla music.esm
brawlbug-plugin.esp
lightingfix.esp
Unofficial Dawnguard Patch.esp
Improved Combat Sounds v2.1.esp
ClimatesOfTamriel-Dawnguard-Patch.esp
Weapons and Armor fixes.esp
Weapons and Armor fixes - Hacks.esp
Economics of Skyrim.esp
Birds.esp
Chesko_WearableLantern.esp
Cowardly horses.esp
Cowardly essential horses.esp
Cowardly Frost.esp
Cowardly essential Frost.esp
Cowardly Shadowmere.esp
Cowardly essential Shadowmere.esp
CrossbowsRevamped.esp
Immersive Battles.esp
Immersive Dawnguard.esp
Immersive Patrols.esp
Immersive Travelers.esp
Immersive Werewolves.esp
Ish's Souls to Perks.esp
Lost Art of the Blacksmith.esp
Occupy Skyrim.esp
Portable Campsite Lite.esp
Real Wildlife Skyrim 0.1.esp
Tamriel Compendium - Skill Books.esp
Tamriel Compendium.esp
ValsCraftingMeltdownAlpha.esp
AdventurersAndTravelersLight.esp
Cloaks.esp
Cloaks - Player Only.esp
Cloaks - No Imperial.esp
hothtrooper44_ArmorCompilation.esp
MorrowindArmor.esp
3rdEraWeapMoS-lvlList.esp
3rdEraWeapMoS-rareCraft.esp
Dr_Bandolier.esp
ImmersiveArmorsNPCs.esp
DeadlyDragons.esp
Run For Your Lives.esp
Proper Aiming.esp
BetterQuestObjectives.esp
FasterArrows50.esp
FasterArrows.esp
FasterArrows100.esp
FasterArrows75.esp
Guard Dialogue Overhaul.esp
Headtracking.esp
ETaC - Morthal.esp
ETaC - Villages Complete.esp
ExpandedWinterholdRuins.esp
Unique Region Names.esp
Better Vampires.esp
Predator Vision.esp
DG-NoAttacks.esp
dovahkiinrelax.esp
Enchanting Freedom.esp
PerkUP-Speech.esp
PerkUP-Sneak.esp
PerkUP-Restoration.esp
PerkUP-OneHanded.esp
PerkUP-Lockpicking.esp
PerkUP-LightArmor.esp
PerkUP-Pickpocket.esp
PerkUP-HeavyArmor.esp
PerkUP-Destruction.esp
PerkUP-Archery.esp
PerkUP-Alteration.esp
PerkUP-Smithing.esp
PerkUP-Conjuration.esp
PerkUP-Enchanting.esp
PerkUP-Block.esp
PerkUP-TwoHanded.esp
PerkUP-Illusion.esp
PerkUP-Alchemy.esp
PerkUP-zOptional_LightArmor_NoHelmsReq.esp
PerkUP-zOptional_HeavyArmor_NoHelmsReq.esp
Crimson Tide - Blood.esp
Reduced Distance NPC Greetings.esp
Alternate Start - Live Another Life.esp
AROP- Orsimer Edition.esp
AROP- Bosmer Edition.esp
AROP- Khajit Edition.esp
AROP- Breton Edition.esp
AROP- Dunmer Edition.esp
AROP- Nord Edition.esp
AROP- Imperial Edition.esp
AROP- Altmer Edition - NW.esp
AROP- Altmer Edition.esp
AROP- Argonian Edition - Poison.esp
AROP- Argonian Edition.esp
AROP- Redguard Edition - SS.esp
AROP- Redguard Edition.esp
Height Adjusted Races v4.esp
getSnowy.esp
even more dragpns!.esp
Ambience Music Overhaul - Combat - with vanilla music.esp
Ambience Music Overhaul - Interiors and Special - with vanilla music.esp
Undead Vampires Player and NPCs.esp
TS_BloodOmNomNom.esp
papermapheightenhanced.esp
Unlevelled World.esp
Unlevelled World - War in Skyrim II Patch.esp
Anyone else had this problem?