| Version 1.1.0 | Current Build | Difference | Union | Intersection | Notes | 
| CodeSystems | 
|  | CodeSystem - Abnormal Conditions Newborn | Added |  | 
|  | CodeSystem - Informant Relationship to Mother | Added |  | 
| CodeSystem - Replacement Status |  | Removed |  | 
|  | CodeSystem - Birth and Death Financial Class | Added |  | 
|  | CodeSystem - Birth Delivery Occurred | Added |  | 
|  | CodeSystem - Fetal Death Cause or Condition | Added |  | 
| ValueSets | 
| Procedure Outcome Codes (SNOMED CT) | ValueSet - Obstetric Procedure Outcome | Comparison | Union | Intersection | 3 Breaking Changes, 0 Changes, 10 Notes | 
|  | ValueSet - APGAR Score Timing | Added |  | 
|  | ValueSet - Birth and Fetal Death Financial Class | Added |  | 
|  | ValueSet - Birth Attendants Titles | Added |  | 
|  | ValueSet - Birth Delivery Occurred | Added |  | 
|  | ValueSet - Birth Weight Edit Flags (NCHS) | Added |  | 
|  | ValueSet - Delivery Routes | Added |  | 
|  | ValueSet - Estimate of Gestation Edit Flags (NCHS) | Added |  | 
|  | ValueSet - Fathers Date of Birth Edit Flags (NCHS) | Added |  | 
|  | ValueSet - Fetal Death Cause or Condition | Added |  | 
|  | ValueSet - Fetal Death Time Points | Added |  | 
|  | ValueSet - Fetal Presentations | Added |  | 
|  | ValueSet - Histological Placental Examination | Added |  | 
|  | ValueSet - Infections During Pregnancy Live Birth | Added |  | 
|  | ValueSet - Informant Relationship to Mother | Added |  | 
|  | Method of Disposition VS | Added |  | 
|  | ValueSet - Mothers Date of Birth Edit Flags (NCHS) | Added |  | 
|  | ValueSet - Newborn Congenital Anomalies | Added |  | 
|  | ValueSet - Number of Previous Cesareans Edit Flags (NCHS) | Added |  | 
|  | ValueSet - Obstetric Procedure Outcome | Added |  | 
|  | ValueSet - Obstetric Procedures | Added |  | 
|  | ValueSet - Plurality Edit Flags (NCHS) | Added |  | 
|  | ValueSet - Pregnancy Report Edit Flags (NCHS) | Added |  | 
| ValueSet - Replacement Status |  | Removed |  | 
| ValueSet - Yes No NotApplicable |  | Removed |  | 
| ValueSet - Yes No NotApplicable | ValueSet - Yes No Not Applicable Vital Records | Comparison | Union | Intersection | 2 Breaking Changes, 0 Changes, 4 Notes | 
| Cigarette Smoking Before and During Pregnancy | ValueSet - Cigarette Smoking Before and During Pregnancy | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 5 Notes | 
| USPS Two Letter Alphabetic Codes | ValueSet - States, Territories and Provinces Vital Records | Comparison | Union | Intersection | 2 Breaking Changes, 0 Changes, 11 Notes | 
| Infections During Pregnancy - Live Birth (NCHS) | ValueSet - Infections During Pregnancy Live Birth | Comparison | Union | Intersection | 3 Breaking Changes, 0 Changes, 15 Notes | 
| Birth Attendant Titles (NCHS) | v2 table 0360, Version 2.7 | Comparison | Union | Intersection | 2 Breaking Changes, 0 Changes, 10 Notes | 
| Fetal Presentations (NCHS) | ValueSet - Fetal Presentations | Comparison | Union | Intersection | 2 Breaking Changes, 0 Changes, 12 Notes | 
| Delivery Routes (NCHS) | ValueSet - Delivery Routes | Comparison | Union | Intersection | 5 Breaking Changes, 0 Changes, 12 Notes | 
| Newborn Congenital Anomalies (NCHS) | ValueSet - Newborn Congenital Anomalies | Comparison | Union | Intersection | 2 Breaking Changes, 0 Changes, 16 Notes | 
| Birth or Delivery Occurred (NCHS) | ValueSet - Birth Delivery Occurred | Comparison | Union | Intersection | 2 Breaking Changes, 0 Changes, 14 Notes | 
| Obstetric Procedures (NCHS) | US Core Procedure Codes | Comparison | Union | Intersection | 5 Breaking Changes, 0 Changes, 12 Notes | 
| Histological Placental Examination (NCHS) | ValueSet - Histological Placental Examination | Comparison | Union | Intersection | 2 Breaking Changes, 0 Changes, 12 Notes | 
| Fetal Death Cause or Condition (NCHS) | ValueSet - Fetal Death Cause or Condition | Comparison | Union | Intersection | 2 Breaking Changes, 0 Changes, 20 Notes | 
| Yes No Not Applicable (NCHS) | ValueSet - Yes No Not Applicable Vital Records | Comparison | Union | Intersection | 2 Breaking Changes, 0 Changes, 9 Notes | 
| Fetal Remains Disposition Method (NCHS) | Method of Disposition VS | Comparison | Union | Intersection | 3 Breaking Changes, 0 Changes, 11 Notes | 
| Yes No Unknown (YNU) | ValueSet - Yes No Unknown Vital Records | Comparison | Union | Intersection | 2 Breaking Changes, 0 Changes, 10 Notes | 
| StructureDefinitions | 
| SimpleQuantity | SimpleQuantity | Comparison | Union | Intersection | 0 Breaking Changes, 0 Changes, 0 Notes | 
|  | Auxiliary State Identifier1 | Added |  | 
|  | Auxiliary State Identifier2 | Added |  | 
|  | Bundle - Coded Cause of Fetal Death Bundle for BFDR | Added |  | 
|  | Bundle - Demographic Coded Content Bundle for BFDR | Added |  | 
| Bundle - Document Birth and Fetal Death | Bundle - Document Birth and Fetal Death | Comparison | Union | Intersection | 1 Breaking Change, 3 Changes, 12 Notes | 
|  | Certificate Number | Added |  | 
| Composition - Coded Cause of Fetal Death | Composition - Coded Cause of Fetal Death | Comparison | Union | Intersection | 1 Breaking Change, 3 Changes, 4 Notes | 
| Composition - Coded Race and Ethnicity | Composition - Coded Race and Ethnicity | Comparison | Union | Intersection | 1 Breaking Change, 7 Changes, 9 Notes | 
| Composition - Jurisdiction Fetal Death Report | Composition - Jurisdiction Fetal Death Report | Comparison | Union | Intersection | 1 Breaking Change, 8 Changes, 4 Notes | 
| Composition - Jurisdiction Live Birth Report | Composition - Jurisdiction Live Birth Report | Comparison | Union | Intersection | 1 Breaking Change, 8 Changes, 4 Notes | 
| Composition - Provider Fetal Death Report | Composition - Provider Fetal Death Report | Comparison | Union | Intersection | 1 Breaking Change, 8 Changes, 3 Notes | 
| Composition - Provider Live Birth Report | Composition - Provider Live Birth Report | Comparison | Union | Intersection | 1 Breaking Change, 8 Changes, 3 Notes | 
| Condition - Chorioamnionitis | Condition - Chorioamnionitis | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Condition - Coded Initiating Fetal Death Cause or Condition |  | Removed |  | 
| Condition - Coded Other Fetal Death Cause or Condition |  | Removed |  | 
| Condition - Congenital Anomaly of Newborn | Condition - Congenital Anomaly of Newborn | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
|  | Condition - Eclampsia Hypertension | Added |  | 
| Condition - Fetal Death Cause or Condition | Condition - Fetal Death Cause or Condition | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Condition - Fetal Death Other Cause or Condition | Condition - Fetal Death Other Cause or Condition | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
|  | Condition - Gestational Diabetes | Added |  | 
|  | Condition - Gestational Hypertension | Added |  | 
| Condition - Infection Present During Pregnancy | Condition - Infection Present During Pregnancy | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
| Condition - Perineal Laceration | Condition - Perineal Laceration | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
|  | Condition - Prepregnancy Diabetes | Added |  | 
|  | Condition - Prepregnancy Hypertension | Added |  | 
| Condition - Ruptured Uterus | Condition - Ruptured Uterus | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Condition - Seizure | Condition - Seizure | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
|  | Coverage - Principal Payer for Delivery | Added |  | 
| Coverage - Principal Payer for Delivery |  | Removed |  | 
| Encounter - Birth | Encounter - Birth | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
| Encounter - Maternity | Encounter - Maternity | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
| Extension - Date Filed by Registrar | Extension - Date Filed by Registrar | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Extension - Date Received by Registrar | Extension - Date received by Registrar | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 6 Notes | 
| Extension - Encounter Maternity Reference | Extension - Encounter Maternity Reference | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
| Extension - Fetal Death Local File Number | Extension - Fetal Death Local File Number | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Extension - Fetal Death Report Number | Extension - Fetal Death Report Number | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Extension - Live Birth Certificate Number | Extension - Live Birth Certificate Number | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Extension - Live Birth Local File Number | Extension - Live Birth Local File Number | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Extension - Replacement Status |  | Removed |  | 
|  | Observation - None Of Specified Congenital Anomolies Of The Newborn | Added |  | 
|  | Observation - Antibiotics Administered During Labor | Added |  | 
| Observation - Antibiotics Administered During Labor |  | Removed |  | 
|  | Observation - APGAR Score | Added |  | 
| Observation - Autopsy or Histological Exam Results Used | Observation - Autopsy or Histological Exam Results Used | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
|  | Observation - Birth Weight | Added |  | 
| Observation - Cigarette Smoking Before and During Pregnancy | Observation - Cigarette Smoking Before and During Pregnancy | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
|  | Observation - Coded Initiating Fetal Death Cause or Condition | Added |  | 
|  | Observation - Coded Other Fetal Death Cause or Condition | Added |  | 
| Observation - Date of First Prenatal Care Visit | Observation - Date of First Prenatal Care Visit | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Observation - Date of Last Live Birth | Observation - Date of Last Live Birth | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Observation - Date of Last Other Pregnancy Outcome | Observation - Date of Last Other Pregnancy Outcome | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Observation - Edit Flag Birthweight |  | Removed |  | 
| Observation - Edit Flag Estimate of Gestation |  | Removed |  | 
| Observation - Edit Flag Father's Date of Birth |  | Removed |  | 
| Observation - Edit Flag Father's Education |  | Removed |  | 
| Observation - Edit Flag Mother's Date of Birth |  | Removed |  | 
| Observation - Edit Flag Mother's Delivery Weight |  | Removed |  | 
| Observation - Edit Flag Mother's Education |  | Removed |  | 
| Observation - Edit Flag Mother's Height |  | Removed |  | 
| Observation - Edit Flag Mother's Prepregnancy Weight |  | Removed |  | 
| Observation - Edit Flag Number Prenatal Care Visits |  | Removed |  | 
| Observation - Edit Flag Number of Previous Cesareans |  | Removed |  | 
| Observation - Edit Flag Plurality |  | Removed |  | 
| Observation - Fetal Death Time Point |  | Removed |  | 
|  | Observation - Fetal Death Time Point | Added |  | 
| Observation - Fetal Presentation at Birth/Delivery | Observation - Fetal Presentation at Birth/Delivery | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
|  | Observation - Gestational Age at Delivery | Added |  | 
| Observation - Histological Placental Exam Performed | Observation - Histological Placental Exam Performed | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Observation - ICU Admission | Observation - ICU Admission | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
| Observation - Infant Breastfed at Discharge | Observation - Infant Breastfed at Discharge | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
|  | Observation - Infant Living | Added |  | 
| Observation - Labor Trial Attempted | Observation - Labor Trial Attempted | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
|  | Observation - Last Menstrual Period | Added |  | 
| Observation - Method of Disposition | Observation - Method of Disposition | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
|  | Observation - Mother Delivery Weight | Added |  | 
|  | Observation - Mother Height | Added |  | 
| Observation - Mother Married During Pregnancy | Observation - Mother Married During Pregnancy | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
|  | Observation - Mother Prepregnancy Weight | Added |  | 
| Observation - Mother Recieved WIC Food | Observation - Mother Recieved WIC Food | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Observation - NICU Admission | Observation - NICU Admission | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
|  | Observation - None Of Specified Infections During Pregnancy | Added |  | 
| Observation - None Of Specified Abnormal Conditions of Newborn | Observation - None Of Specified Abnormal Conditions of Newborn | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
| Observation - None Of Specified Characteristics of Labor and Delivery | Observation - None Of Specified Characteristics of Labor and Delivery | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 5 Notes | 
| Observation - None Of Specified Maternal Morbidities | Observation - None Of Specified Maternal Morbidities | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
|  | Observation - None Of Specified Obstetric Procedures | Added |  | 
|  | Observation - None Of Specified Pregnancy Risk Factors | Added |  | 
|  | Observation - Number of Births Now Dead | Added |  | 
|  | Observation - Number of Births Now Living | Added |  | 
|  | Observation - Number of Fetal Deaths This Delivery | Added |  | 
|  | Observation - Number of Live Births This Delivery | Added |  | 
|  | Observation - Number of Other Pregnancy Outcomes | Added |  | 
|  | Observation - Number of Prenatal Visits | Added |  | 
|  | Observation - Number of Previous Cesareans | Added |  | 
| Observation - Paternity Acknowledgement Signed | Observation - Paternity Acknowledgement Signed | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Observation - Planned to Deliver at Home | Observation - Planned to Deliver at Home | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
|  | Observation - Previous Cesarean | Added |  | 
|  | Observation - Previous Preterm Birth | Added |  | 
| Observation - Social Security Number Requested For Child | Observation - Social Security Number Requested For Child | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
| Observation - Administration of Steroids for Fetal Lung Maturation | Observation - Administration of Steroids for Fetal Lung Maturation | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
|  | Observation - Unknown Final Route and Method of Delivery | Added |  | 
|  | Patient - Decedent Fetus | Added |  | 
| Procedure - Antibiotic for Suspected Neonatal Sepsis | Procedure - Antibiotic for Suspected Neonatal Sepsis | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
|  | Procedure - Artificial Insemination | Added |  | 
|  | Procedure - Assisted Fertilization | Added |  | 
| Procedure - Assisted Ventilation Following Delivery | Procedure - Assisted Ventilation Following Delivery | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Procedure - Assisted Ventilation More Than Six Hours | Procedure - Assisted Ventilation More Than Six Hours | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Procedure - Augmentation of Labor | Procedure - Augmentation of Labor | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
| Procedure - Blood Transfusion | Procedure - Blood Transfusion | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
| Procedure - Epidural or Spinal Anesthesia | Procedure - Epidural or Spinal Anesthesia | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
| Procedure - Final Route and Method of Delivery | Procedure - Final Route and Method of Delivery | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Procedure - Induction of Labor | Procedure - Induction of Labor | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
|  | Procedure - Infertility Treatment | Added |  | 
| Procedure - Obstetric | Procedure - Obstetric | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Procedure - Surfactant Replacement Therapy | Procedure - Surfactant Replacement Therapy | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 4 Notes | 
| Procedure - Unplanned Hysterectomy | Procedure - Unplanned Hysterectomy | Comparison | Union | Intersection | 1 Breaking Change, 0 Changes, 3 Notes | 
| Patient - Child - Vital Records | Patient - Child Vital Records | Comparison | Union | Intersection | 2 Breaking Changes, 0 Changes, 20 Notes | 
| Patient - Child - Vital Records | Patient - Vital Records | Comparison | Union | Intersection | 2 Breaking Changes, 3 Changes, 15 Notes | 
| Patient - Decedent Fetus - Vital Records | Patient - Decedent Fetus | Comparison | Union | Intersection | 3 Breaking Changes, 0 Changes, 13 Notes | 
| Patient - Mother - Vital Records | Patient - Mother Vital Records | Comparison | Union | Intersection | 2 Breaking Changes, 0 Changes, 29 Notes | 
| Practitioner - Vital Records | Practitioner - Vital Records | Comparison | Union | Intersection | 1 Breaking Change, 1 Change, 9 Notes | 
| RelatedPerson - Father Natural - Vital Records | RelatedPerson - Father Natural Vital Records | Comparison | Union | Intersection | 1 Breaking Change, 1 Change, 5 Notes | 
| CapabilityStatements | 
|  | CapabilityStatement - Birth and Fetal Death | Added |  |