diff --git a/components/cycle-day/select-tab-group.js b/components/cycle-day/select-tab-group.js
index 0548977..91e87e9 100644
--- a/components/cycle-day/select-tab-group.js
+++ b/components/cycle-day/select-tab-group.js
@@ -11,7 +11,7 @@ export default function SelectTabGroup({ activeButton, buttons, onSelect }) {
   const oneTimeTransformIntoNumber =
     typeof activeButton === 'boolean' && Number(activeButton)
   const isSecondarySymptomSwitch =
-    buttons[0]['label'] === labels.useCervix.secondarySymptomCervicalMucus
+    buttons[0]['label'] === labels.useCervixAsSecondarySymptom.mucus
   return (
     <View style={styles.container}>
       {buttons.map(({ label, value }, i) => {
diff --git a/components/settings/customization/index.js b/components/settings/customization/index.js
index 7ff147a..59e5151 100644
--- a/components/settings/customization/index.js
+++ b/components/settings/customization/index.js
@@ -26,7 +26,7 @@ import {
   savePeriodPrediction,
   saveSexTrackingCategory,
   saveTemperatureTrackingCategory,
-  saveUseCervix,
+  saveUseCervixAsSecondarySymptom,
   periodPredictionObservable,
   useCervixAsSecondarySymptomObservable,
 } from '../../../local-storage'
@@ -124,11 +124,11 @@ const Settings = () => {
   // used to be onCervixToggle
   const secondarySymptomButtons = [
     {
-      label: labels.useCervix.secondarySymptomCervicalMucus,
+      label: labels.useCervixAsSecondarySymptom.mucus,
       value: 0,
     },
     {
-      label: labels.useCervix.secondarySymptomCervix,
+      label: labels.useCervixAsSecondarySymptom.cervix,
       value: 1,
     },
   ]
@@ -136,7 +136,7 @@ const Settings = () => {
   const onSelectTab = (value) => {
     if (isMucusTrackingCategoryEnabled && isCervixTrackingCategoryEnabled) {
       setShouldUseCervix(value)
-      saveUseCervix(value)
+      saveUseCervixAsSecondarySymptom(value)
     }
   }
 
@@ -165,21 +165,21 @@ const Settings = () => {
     saveMucusTrackingCategory(mucus)
     setCervixTrackingCategory(cervix)
     saveCervixTrackingCategory(cervix)
-    saveUseCervix(shouldUseCervix)
+    saveUseCervixAsSecondarySymptom(shouldUseCervix)
   }
 
   const secSymptomDisabledPrompt = () => {
     if (!isMucusTrackingCategoryEnabled == isCervixTrackingCategoryEnabled) {
       Alert.alert(
-        labels.useCervix.disabled.title,
-        labels.useCervix.disabled.noSecondaryEnabled
+        labels.useCervixAsSecondarySymptom.disabled.title,
+        labels.useCervixAsSecondarySymptom.disabled.noSecondaryEnabled
       )
     }
   }
 
   const cervixText = shouldUseCervix
-    ? labels.useCervix.cervixModeOn
-    : labels.useCervix.cervixModeOff
+    ? labels.useCervixAsSecondarySymptom.cervixModeOn
+    : labels.useCervixAsSecondarySymptom.cervixModeOff
 
   const sliderDisabledPrompt = () => {
     if (!isTemperatureTrackingCategoryEnabled) {
@@ -271,10 +271,10 @@ const Settings = () => {
 
       {/* used to be switch for onCervixToggle */}
       <Pressable onPress={secSymptomDisabledPrompt}>
-        <Segment title={labels.useCervix.title}>
+        <Segment title={labels.useCervixAsSecondarySymptom.title}>
           {!isTemperatureTrackingCategoryEnabled ||
           isSecondarySymptomDisabled ? (
-            <AppText>{labels.useCervix.disabled.message}</AppText>
+            <AppText>{labels.useCervixAsSecondarySymptom.disabled.message}</AppText>
           ) : (
             <>
               <AppText>{cervixText}</AppText>
diff --git a/i18n/en/settings.js b/i18n/en/settings.js
index 7afa9be..918ce5a 100644
--- a/i18n/en/settings.js
+++ b/i18n/en/settings.js
@@ -66,7 +66,7 @@ export default {
         'To use the period reminder please first enable period predictions in the customization settings.',
     },
   },
-  useCervix: {
+  useCervixAsSecondarySymptom: {
     title: 'Secondary symptom',
     cervixModeOn:
       'Cervix values are being used for symptothermal fertility detection. You can switch here to use cervical mucus values for symptothermal fertility detection',
@@ -79,8 +79,8 @@ export default {
       noSecondaryEnabled:
         'To switch the secondary symptom both cervical mucus an cervix need to be enabled in the customization settings.',
     },
-    secondarySymptomCervicalMucus: 'cervical mucus',
-    secondarySymptomCervix: 'cervix',
+    mucus: 'cervical mucus',
+    cervix: 'cervix',
   },
   periodPrediction: {
     title: 'Period predictions',
diff --git a/local-storage.js b/local-storage.js
index 175a7d4..84b680d 100644
--- a/local-storage.js
+++ b/local-storage.js
@@ -60,10 +60,17 @@ export async function savePeriodPrediction(bool) {
 }
 
 export const useCervixAsSecondarySymptomObservable = Observable()
-setObvWithInitValue('useCervix', useCervixAsSecondarySymptomObservable, 0)
+setObvWithInitValue(
+  'useCervixAsSecondarySymptom',
+  useCervixAsSecondarySymptomObservable,
+  0
+)
 
-export async function saveUseCervix(value) {
-  await AsyncStorage.setItem('useCervix', JSON.stringify(value))
+export async function saveUseCervixAsSecondarySymptom(value) {
+  await AsyncStorage.setItem(
+    'useCervixAsSecondarySymptom',
+    JSON.stringify(value)
+  )
   useCervixAsSecondarySymptomObservable.set(value)
 }