diff --git a/.env b/.env
index 26702f26babec1b6eb05b8c6cbdb623c4ffd2104..2f26ed02da8b5ec45b282490c9443c541e04f4c7 100644
--- a/.env
+++ b/.env
@@ -2,5 +2,5 @@ PORT=8000
 INSTANCE=PROD
 HOST=localhost
 USER=root
-PASSWORD=mysql
-DB=repp_users
\ No newline at end of file
+PASSWORD=rootroot
+DB=parameter_database
\ No newline at end of file
diff --git a/src/Controllers/ParameterController.ts b/src/Controllers/ParameterController.ts
index 852879e8cbbbc4802fcf36f374029055677c8d95..2586a27c883c064a4c46f27b04ad25594704c430 100644
--- a/src/Controllers/ParameterController.ts
+++ b/src/Controllers/ParameterController.ts
@@ -45,9 +45,9 @@ const getDefaultExtraData: Handler = async (req: Request, res: Response) => {
 };
 
 const updateParameterValue: Handler = async (req: Request, res: Response) => {
-  const { parameters, parameterType } = req.body;
+  const { parameters } = req.body;
   try {
-    switch (parameterType) {
+    switch (parameters[0].parameterType) {
       case ParameterType.DefaultWeight:
         await ParameterService.updateDefaultWeight(parameters[0]);
         break;
diff --git a/src/Schemas/getRepBody.ts b/src/Schemas/getRepBody.ts
index 3eeb9e715be29a113683b565b7a70d89b23d6dbe..deadbe2ba3bb2a80f9aa1925f2855debf7578afd 100644
--- a/src/Schemas/getRepBody.ts
+++ b/src/Schemas/getRepBody.ts
@@ -13,12 +13,15 @@ const getRepBody = {
           },
           sex: {
             type: 'string' as const,
+            pattern: '(^Masculino$)|(^Femenino$)',
           },
           medianWeight: {
             type: 'number' as const,
+            minimum: 0,
           },
           population: {
             type: 'number' as const,
+            minumum: 0,
           },
         },
       },
@@ -32,12 +35,18 @@ const getRepBody = {
           properties: {
             lowPALPrevalence: {
               type: 'number' as const,
+              minimum: 0,
+              maximum: 100,
             },
             moderatePALPrevalence: {
               type: 'number' as const,
+              minimum: 0,
+              maximum: 100,
             },
             intensePALPrevalence: {
               type: 'number' as const,
+              minimum: 0,
+              maximum: 100,
             },
           },
         },
@@ -45,22 +54,61 @@ const getRepBody = {
           type: 'object' as const,
           required: ['urbanPercentage', 'activeUrbanPAL', 'lowUrbanPAL', 'ruralPercentage', 'activeRuralPAL', 'lowRuralPAL'],
           properties: {
-            urbanPercentage: { type: 'number' as const },
-            activeUrbanPAL: { type: 'number' as const },
-            lowUrbanPAL: { type: 'number' as const },
-            ruralPercentage: { type: 'number' as const },
-            activeRuralPAL: { type: 'number' as const },
-            lowRuralPAL: { type: 'number' as const },
+            urbanPercentage: {
+              type: 'number' as const,
+              minimum: 0,
+              maximum: 100,
+            },
+            activeUrbanPAL: {
+              type: 'number' as const,
+              minimum: 0,
+              maximum: 100,
+            },
+            lowUrbanPAL: {
+              type: 'number' as const,
+              minimum: 0,
+              maximum: 100,
+            },
+            ruralPercentage: {
+              type: 'number' as const,
+              minimum: 0,
+              maximum: 100,
+            },
+            activeRuralPAL: {
+              type: 'number' as const,
+              minimum: 0,
+              maximum: 100,
+            },
+            lowRuralPAL: {
+              type: 'number' as const,
+              minimum: 0,
+              maximum: 100,
+            },
           },
         },
         maternity18To29: {
           type: 'object' as const,
           properties: {
-            pregnantWomen: { type: 'number' as const },
-            lactatingWomen: { type: 'number' as const },
-            countryBirthRate: { type: 'number' as const },
-            countryWomenInAgeGroup: { type: 'number' as const },
-            countryPopulation: { type: 'number' as const },
+            pregnantWomen: {
+              type: 'number' as const,
+              minimum: 0,
+            },
+            lactatingWomen: {
+              type: 'number' as const,
+              minimum: 0,
+            },
+            countryBirthRate: {
+              type: 'number' as const,
+              minimum: 0,
+            },
+            countryWomenInAgeGroup: {
+              type: 'number' as const,
+              exclusiveMinimum: 0,
+            },
+            countryPopulation: {
+              type: 'number' as const,
+              exclusiveMinimum: 0,
+            },
           },
           oneOf: [
             {
@@ -74,11 +122,26 @@ const getRepBody = {
         maternity30To59: {
           type: 'object' as const,
           properties: {
-            pregnantWomen: { type: 'number' as const },
-            lactatingWomen: { type: 'number' as const },
-            countryBirthRate: { type: 'number' as const },
-            countryWomenInAgeGroup: { type: 'number' as const },
-            countryPopulation: { type: 'number' as const },
+            pregnantWomen: {
+              type: 'number' as const,
+              minimum: 0,
+            },
+            lactatingWomen: {
+              type: 'number' as const,
+              minimum: 0,
+            },
+            countryBirthRate: {
+              type: 'number' as const,
+              minimum: 0,
+            },
+            countryWomenInAgeGroup: {
+              type: 'number' as const,
+              exclusiveMinimum: 0,
+            },
+            countryPopulation: {
+              type: 'number' as const,
+              exclusiveMinimum: 0,
+            },
           },
           oneOf: [
             {
diff --git a/src/Schemas/updateParameterValueBody.ts b/src/Schemas/updateParameterValueBody.ts
index b7e27a9238b95232c7938e75bcf13e13ff179684..048b17e3d636a4174702c20a04e8486db911a217 100644
--- a/src/Schemas/updateParameterValueBody.ts
+++ b/src/Schemas/updateParameterValueBody.ts
@@ -1,10 +1,7 @@
 const updateParameterValueBody = {
   type: 'object' as const,
-  required: ['parameters', 'parameterType'],
+  required: ['parameters'],
   properties: {
-    parameterType: {
-      type: 'string' as const,
-    },
     parameters: {
       type: 'array' as const,
       items: {
@@ -15,6 +12,7 @@ const updateParameterValueBody = {
           },
           sex: {
             type: 'string' as const,
+            pattern: '(^Masculino$)|(^Femenino$)',
           },
           id: {
             type: 'string' as const,
@@ -22,25 +20,35 @@ const updateParameterValueBody = {
           value: {
             type: 'number' as const,
           },
-          parameterType: {
-            type: 'string' as const,
-          },
           order: {
             type: 'number' as const,
+            minimum: 0,
           },
           description: {
             type: 'string' as const,
           },
         },
-        oneOf: [
+        anyOf: [
           {
-            required: ['parameterType', 'ageRange', 'sex', 'value'],
+            parameterType: {
+              type: 'string' as const,
+              pattern: '(^TMB$)|(^GET$)|(^Energia para crecimiento$)',
+            },
+            required: ['parameterType', 'ageRange', 'sex', 'order', 'value'],
           },
           {
-            required: ['parameterType', 'id', 'value'],
+            parameterType: {
+              type: 'string' as const,
+              pattern: '^Peso por defecto$',
+            },
+            required: ['parameterType', 'ageRange', 'sex', 'value'],
           },
           {
-            required: ['parameterType', 'ageRange', 'sex', 'order', 'value'],
+            parameterType: {
+              type: 'string' as const,
+              pattern: '(^NAF Menores$)|(^NAF Adultos$)|(^Embarazo y lactancia$)',
+            },
+            required: ['parameterType', 'id', 'value'],
           },
         ],
       },
diff --git a/src/Services/ERCalculator.ts b/src/Services/ERCalculator.ts
index 77bd5491ac05e9e70ac39e81e4669c6227432c0e..cab07b8a073607111bc67904567aeed0e6873e4d 100644
--- a/src/Services/ERCalculator.ts
+++ b/src/Services/ERCalculator.ts
@@ -24,8 +24,7 @@ const calculateTEE = (group: AgeGroup, params: number[], preval: MinorPAL): numb
   const prevalCheck: number = preval.intensePALPrevalence
   + preval.lowPALPrevalence
   + preval.moderatePALPrevalence;
-  if (prevalCheck !== 100 || preval.intensePALPrevalence < 0
-    || preval.moderatePALPrevalence < 0 || preval.lowPALPrevalence < 0) {
+  if (prevalCheck !== 100) {
     throw new Error('Minor PAL data does not respect format');
   }
 
@@ -52,10 +51,7 @@ const calculatePAL = (params: number[], popData: AdultPAL): number => {
   const popCheck: number = popData.ruralPercentage + popData.urbanPercentage;
   const urbanPALCheck: number = popData.activeUrbanPAL + popData.lowUrbanPAL;
   const ruralPALCheck: number = popData.activeRuralPAL + popData.lowRuralPAL;
-  if (popCheck !== 100 || urbanPALCheck !== 100 || ruralPALCheck !== 100
-  || popData.ruralPercentage < 0 || popData.urbanPercentage < 0
-  || popData.activeUrbanPAL < 0 || popData.lowUrbanPAL < 0
-  || popData.activeRuralPAL < 0 || popData.lowRuralPAL < 0) {
+  if (popCheck !== 100 || urbanPALCheck !== 100 || ruralPALCheck !== 100) {
     throw new Error('Adult PAL data does not respect format');
   }
 
@@ -72,7 +68,7 @@ const calculatePAL = (params: number[], popData: AdultPAL): number => {
 // eslint-disable-next-line max-len
 const calculateERWomenIndividual = (group: AgeGroup, params: number[], popData: IndividualMaternity, req: number): number => {
   const popCheck: number = popData.lactatingWomen + popData.pregnantWomen;
-  if (popCheck > group.population || popData.lactatingWomen < 0 || popData.pregnantWomen < 0) {
+  if (popCheck > group.population) {
     throw new Error('Individual Maternity does not respect format');
   }
 
@@ -88,10 +84,7 @@ const calculateERWomenIndividual = (group: AgeGroup, params: number[], popData:
 
 // eslint-disable-next-line max-len
 const calculateERWomenPopulation = (params: number[], popData: PopulationMaternity, req: number): number => {
-  if (popData.countryWomenInAgeGroup > popData.countryPopulation
-    || typeof (popData.countryBirthRate) !== 'number' || popData.countryBirthRate < 0
-    || typeof (popData.countryWomenInAgeGroup) !== 'number' || popData.countryWomenInAgeGroup < 0
-    || typeof (popData.countryPopulation) !== 'number' || popData.countryPopulation < 0) {
+  if (popData.countryWomenInAgeGroup > popData.countryPopulation) {
     throw new Error('Population Maternity does not respect format');
   }
 
diff --git a/src/Services/ParameterService.ts b/src/Services/ParameterService.ts
index a6a3456f12975006098921c3b0ddeb91ec2b9afd..85e69c0f27fab6e8012e737f4658af6e9c5af7dd 100644
--- a/src/Services/ParameterService.ts
+++ b/src/Services/ParameterService.ts
@@ -288,7 +288,7 @@ const updatePair = async (param: DefaultExtraDataDTO, pairID: string): Promise<v
 
 const validateID = (id: string): boolean => {
   const keys: string[] = Object.keys(extraDataIDs);
-  for (let i = 0; i < keys.length; i + 1) {
+  for (let i = 0; i < keys.length; i += 1) {
     if (extraDataIDs[keys[i]] === id) {
       return true;
     }
diff --git a/src/Services/ParserService.ts b/src/Services/ParserService.ts
index 0b2384024a8058ef9f62d4ddd4929dad167687e9..afa7841f154f530f15db93b9290d304d16ba65eb 100644
--- a/src/Services/ParserService.ts
+++ b/src/Services/ParserService.ts
@@ -3,29 +3,16 @@ import AgeGroupJSON from '../DTOs/AgeGroupJSON';
 import AgeBracket from '../Enum/AgeBracket';
 import Sex from '../Enum/Sex';
 
-const checkAgeGroup = (group: AgeGroupJSON): boolean => (
-  typeof (group.age) !== 'string'
-  || typeof (group.sex) !== 'string'
-  || typeof (group.medianWeight) !== 'number'
-  || typeof (group.population) !== 'number'
-  || group.medianWeight <= 0
-  || group.population <= 0
-);
-
 const parseGroups = (groups: AgeGroupJSON[]): AgeGroup[] => {
   const retGroups: AgeGroup[] = [];
   groups.forEach((ageGroup: AgeGroupJSON) => {
-    if (checkAgeGroup(ageGroup)) {
-      throw new Error('Age group data does not meet specification');
-    } else {
-      const group: AgeGroup = {
-        age: ageGroup.age as AgeBracket,
-        sex: ageGroup.sex as Sex,
-        medianWeight: ageGroup.medianWeight,
-        population: ageGroup.population,
-      };
-      retGroups.push(group);
-    }
+    const group: AgeGroup = {
+      age: ageGroup.age as AgeBracket,
+      sex: ageGroup.sex as Sex,
+      medianWeight: ageGroup.medianWeight,
+      population: ageGroup.population,
+    };
+    retGroups.push(group);
   });
   return retGroups;
 };