{"Name":"Arthrogryposis multiplex congenita 2, neurogenic type","DiseaseID__c":"GARD:0000790","id":790,"encodedName":"arthrogryposis-multiplex-congenita-2-neurogenic-type","IsDeleted":false,"Disease_Name_Full__c":"Arthrogryposis multiplex congenita 2, neurogenic type","Xref_IDs__c":"715316005; C536614; C5435650; DOID:0090124; MEDGEN:1725686; MONDO:0008823; OMIM:208100; ORPHA:1143","USA_Estimate__c":"50,000","No_of_Specialist_Tagsa__c":3,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":0,"World_Estimate__c":"80,000 to 800,000","No_of_HRSA_records__c":0,"Evidence_Based_Score__c":0,"No_of_Disease_Descriptions__c":3,"Disease_Characteristics_Score__c":7,"No_of_Age_at_Onset__c":1,"Description_Source__c":"MONDO:0008823","Disease_Description__c":"A form of arthrogryposis multiplex congenita characterized by congenital immobility of the limbs with fixation of multiple joints and muscle wasting. This condition is secondary to neurogenic muscular atrophy.","GARD_Name__c":"Arthrogryposis multiplex congenita 2, neurogenic type","GARD_Synonym__c":"amc neurogenic type; amc, neurogenic type; amc2; amcn; arthrogryposis multiplex congenita neurogenic type; neurogenic arthrogryposis multiplex congenita","Curated_Disease_Description_Source__c":"GARD:0000790","Curated_Disease_Description__c":"Arthrogryposis multiplex congenita neurogenic type (AMCN) refers to the development of multiple joint contractures affecting two or more areas of the body prior to birth. A contracture occurs when a joint becomes permanently fixed in a bent or straightened position, which can impact the function and range of motion of the joint and lead to muscle atrophy. Signs and symptoms of AMCN vary. AMCN can affect upper and lower joints, including the wrists, elbows, fingers, knees, ankles, and hip. In AMCN, arthrogryposis occurs as a result of the abnormal development of cells in the spinal cord (anterior horn cells) or brainstem (motor nuclei). AMCN often occurs sporadically (in a person with no family history of the condition), however families with multiple affected members have also been reported. In most cases, the underlying genetic cause remains unknown.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"50,000","Age_at_Onset_Snippet_Text__c":"as a Newborn","SourceID__c":"ORPHA:1143","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Grouping","MONDO_ID__c":"MONDO:0008823","ORPHANET_ID__c":"ORPHA:1143","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Artrogriposis múltiple congénita tipo neurogénico","Spanish_Description_Source__c":"ORPHA:1143","Spanish_Description__c":"Es una forma de artrogriposis múltiple congénita caracterizada por la inmovilidad congénita de las extremidades con fijación de múltiples articulaciones y atrofia muscular. Esta condición es secundaria a la atrofia muscular neurogénica.","Spanish_Disease_Name__c":"artrogriposis múltiple congénita tipo neurogénico","Spanish_GARD_Synonym__c":null,"Category_Linearization__c":"ORPHA:93890","icd10_id__c":null,"mesh_id__c":null,"omim_id__c":null,"snomed_id__c":null,"umls_id__c":null,"GARD_Disease__c":[{"Curated_Disease_Description__c":"Arthrogryposis multiplex congenita neurogenic type (AMCN) refers to the development of multiple joint contractures affecting two or more areas of the body prior to birth. A contracture occurs when a joint becomes permanently fixed in a bent or straightened position, which can impact the function and range of motion of the joint and lead to muscle atrophy. Signs and symptoms of AMCN vary. AMCN can affect upper and lower joints, including the wrists, elbows, fingers, knees, ankles, and hip. In AMCN, arthrogryposis occurs as a result of the abnormal development of cells in the spinal cord (anterior horn cells) or brainstem (motor nuclei). AMCN often occurs sporadically (in a person with no family history of the condition), however families with multiple affected members have also been reported. In most cases, the underlying genetic cause remains unknown.","Curated_Disease_Description_Source__c":"GARD:0000790","GARD_Synonym__c":"amc neurogenic type; amc, neurogenic type; amc2; amcn; arthrogryposis multiplex congenita neurogenic type; neurogenic arthrogryposis multiplex congenita","Name":"Arthrogryposis multiplex congenita 2, neurogenic type","Curated_USA_Estimate__c":"50,000","estimateUsa":"50,000"}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"Arthrogryposis Multiplex Congenita Support Inc.","Website__c":"https://www.amcsupport.org/"}],"GARD_Disease_Tag__c":[{"Tag_Name__c":"Genetics","Tag_Category__c":"Cause;Disease Category;Specialist","category_description":"Genetic diseases affect the DNA, or genetic instructions, which directs how tissues, organs, and body systems function.","curated_tag_name":"Genetic diseases"},{"Tag_Name__c":"Congenital Abnormality","Tag_Category__c":"Disease Category","category_description":"Birth defects are structural changes present at birth that can affect almost any part of the body, including how the body looks, works, or both.","curated_tag_name":"Birth defects"},{"Tag_Name__c":"Orthopedics","Tag_Category__c":"Specialist"},{"Tag_Name__c":"Congenital limb malformation","Tag_Category__c":"Account","curated_tag_name":"Limb anomalies"},{"Tag_Name__c":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Neonatal","Provided_By__c":"ORPHA:1143"}],"Diagnosis__c":[{"Type__c":"GTR","Curie__c":"MEDGEN:C1859721"}],"External_Identifier_Disease__c":[{"URL__c":"https://raresource.nih.gov/diseases/filter/0000790","Source__c":"RareSource"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=715316005","Source__c":"MONDO:0008823","Xref__c":"715316005"},{"URL__c":"https://www.omim.org/entry/208100","Source__c":"C5435650; MONDO:0008823","Xref__c":"OMIM:208100"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=1725686","Source__c":"C5435650","Xref__c":"MEDGEN:1725686"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0090124","Source__c":"MONDO:0008823","Xref__c":"DOID:0090124"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C5435650","Source__c":"C5435650","Xref__c":"C5435650"},{"URL__c":"https://www.orpha.net/en/disease/detail/1143","Source__c":"C5435650; MONDO:0008823","Xref__c":"ORPHA:1143"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C536614","Source__c":"MONDO:0008823","Xref__c":"C536614"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0008823","Source__c":"GARD:0000790","Xref__c":"MONDO:0008823"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"ERGIC1","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Lack of full passive range of motion (restrictions in flexion, extension, or other movements) of the hip joint resulting from structural changes of non-bony tissues, such as muscles, tendons, ligaments, joint capsules and/or skin.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003273","HPO_Synonym__c":"Flexion contracture of hips; Flexion contractures of hips; Hip contractures; Hip flexion contractures","HPO_Name__c":"Hip contracture","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002747","HPO_Synonym__c":"Decreased lung function due to weak breathing muscles; Decreased respiratory function due to muscle weakness; Respiratory distress due to muscle weakness; Respiratory failure due to muscle weakness; Respiratory muscle weakness","HPO_Name__c":"Respiratory insufficiency due to muscle weakness","Feature_System__c":"Musculoskeletal System; Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Interpupillary distance more than 2 SD above the mean (alternatively, the appearance of an increased interpupillary distance or widely spaced eyes).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000316","HPO_Synonym__c":"Excessive orbital separation; Increased distance between eye sockets; Increased distance between eyes; Increased interpupillary distance; Ocular hypertelorism; Wide-set eyes; Widely spaced eyes; Widened interpupillary distance","HPO_Name__c":"Hypertelorism","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Absence of neurologic reflexes such as the knee-jerk reaction.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001284","HPO_Synonym__c":"Absent deep tendon reflexes; Absent tendon reflexes; Deep tendon reflexes absent; Loss of deep tendon reflexes; Lost deep tendon reflexes","HPO_Name__c":"Areflexia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Scaphocephaly is a subtype of dolichocephaly where the anterior and posterior aspects of the cranial vault are pointed (boat-shaped). Scaphocephaly is caused by a precocious fusion of sagittal suture without other associated synostosis.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0030799","HPO_Name__c":"Scaphocephaly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Skin dimples are cutaneous indentations that are the result of tethering of the skin to underlying structures (bone) causing an indentation.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010781","HPO_Synonym__c":"Skin dimples","HPO_Name__c":"Skin dimple","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Displacement of the femur from its normal location in the hip joint.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002827","HPO_Synonym__c":"Dislocated femoral heads; Dislocated hips; Dislocation of hip; Dislocation of the femoral head; Hip dislocation","HPO_Name__c":"Hip dislocation","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006466","HPO_Name__c":"Ankle flexion contracture","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Evidence of chronic denervation on electromyography.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003444","HPO_Name__c":"EMG: chronic denervation signs","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Procedure_EMG"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The presence of skeletal muscular atrophy (which is also known as amyotrophy).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003202","HPO_Synonym__c":"Amyotrophy; Amyotrophy involving the extremities; Muscle atrophy; Muscle atrophy, neurogenic; Muscle degeneration; Muscle hypotrophy; Muscle wasting; Muscular atrophy; Neurogenic muscle atrophy; Neurogenic muscle atrophy, especially in the lower limbs; Neurogenic muscular atrophy","HPO_Name__c":"Skeletal muscle atrophy","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Weakness of the muscles of the legs.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007340","HPO_Synonym__c":"Leg weakness; Lower extremity weakness; Lower limb muscle weakness; Lower limb weakness; Muscle weakness in lower limbs","HPO_Name__c":"Lower limb muscle weakness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Asymmetric head shape, which is usually a combination of unilateral occipital flattening with ipsilateral frontal prominence, leading to rhomboid cranial shape.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001357","HPO_Synonym__c":"Flat head syndrome; Flattening of cranial vault; Flattening of cranium; Flattening of skull; Rhomboid shaped cranium; Rhomboid shaped skull","HPO_Name__c":"Plagiocephaly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Impaired ability to eat related to problems gathering food and getting ready to suck, chew, or swallow it.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011968","HPO_Synonym__c":"Decreased oral intake; Feeding difficulties; Feeding problems; Poor feeding","HPO_Name__c":"Feeding difficulties","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008110","HPO_Name__c":"Equinovarus deformity","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of an abnormal lateral curvature of the spine.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002650","HPO_Name__c":"Scoliosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A smaller than normal acetabulum that has insufficient femoral head coverage leading to abnormal hip joint contact pressures, instability and pain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008807","HPO_Synonym__c":"Dysplastic acetabulae","HPO_Name__c":"Acetabular dysplasia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A facial appearance characteristic of myopathic conditions. The face appears expressionless with sunken cheeks, bilateral ptosis, and inability to elevate the corners of the mouth, due to muscle weakness.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002058","HPO_Synonym__c":"Myopathic face; Myopathic facial appearance","HPO_Name__c":"Myopathic facies","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A type of knee joint contracture in which the knee is in a fixed bent (flexed) configuration such that it cannot be straightened actively or passively.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006380","HPO_Synonym__c":"Flexion contracture of knees; Flexion contractures at both knees; Flexion contractures of knees; Flexion deformity of the knee; Knee flexion contractures; Knee flexion deformity","HPO_Name__c":"Knee flexion contracture","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A position of the fetus at delivery in which the fetus enters the birth canal with the buttocks or feet first.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001623","HPO_Synonym__c":"Breech presentation at birth; Feet or buttocks of fetus positioned near opening of uterus","HPO_Name__c":"Breech presentation","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A chronic loss of wrist joint motion due to structural changes in muscle, tendons, ligaments, or skin that prevent normal movement of the joints of the wrist.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001239","HPO_Synonym__c":"Wrist contracture; Wrist flexion deformity","HPO_Name__c":"Wrist flexion contracture","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Diminished amniotic fluid volume in pregnancy.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001562","HPO_Synonym__c":"Low levels of amniotic fluid; Maternal oligohydramnios","HPO_Name__c":"Oligohydramnios","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormality of dermatoglyphs (fingerprints), which are present on fingers, palms, toes, and soles.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007477","HPO_Synonym__c":"Abnormal fingerprints; Dermatoglyphic abnormalities","HPO_Name__c":"Abnormal dermatoglyphics","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Respiratory distress is objectively observable as the physical or emotional consequences from the experience of dyspnea. The physical presentation of respiratory distress is generally referred to as labored breathing, while the sensation of respiratory distress is called shortness of breath or dyspnea.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002098","HPO_Synonym__c":"Breathing difficulties; Labored breathing; Respiratory difficulties","HPO_Name__c":"Respiratory distress","Feature_System__c":"Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Developmental hypoplasia of the mandible.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000347","HPO_Synonym__c":"Decreased size of lower jaw; Decreased size of mandible; Hypoplasia of lower jaw; Hypoplasia of mandible; Hypoplastic mandible; Hypoplastic mandible condyle; Hypotrophic lower jaw; Hypotrophic mandible; Little lower jaw; Little mandible; Lower jaw deficiency; Lower jaw hypoplasia; Mandibular deficiency; Mandibular hypoplasia; Mandibular micrognathia; Micrognathia of lower jaw; Micromandible; Robin mandible; Severe hypoplasia of mandible; Small jaw; Small lower jaw; Small mandible; Underdevelopment of lower jaw; Underdevelopment of mandible","HPO_Name__c":"Micrognathia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of both a prominent heel and a convex contour of the sole.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001838","HPO_Synonym__c":"Congenital vertical talus; Rocker bottom feet; Rocker bottom foot; Rocker-bottom feet; Rockerbottom feet","HPO_Name__c":"Rocker bottom foot","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An anomaly of metabolism or structure of the brain identified by imaging.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0410263","HPO_Synonym__c":"Abnormal brain imaging","HPO_Name__c":"Brain imaging abnormality","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An elbow contracture that limits the ability of the elbow joint to be extended (straightened), meaning that the elbow is fixed in an flexed (bent) position.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002987","HPO_Synonym__c":"Elbow flexion contractures; Elbow flexion deformity; Fixed flexion at the elbow joint","HPO_Name__c":"Elbow flexion contracture","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Always (100%)","Feature__r":{"HPO_Description__c":"A flexion contracture is a bent (flexed) joint that cannot be straightened actively or passively. It is thus a chronic loss of joint motion due to structural changes in muscle, tendons, ligaments, or skin that prevents normal movement of joints.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001371","HPO_Synonym__c":"Flexed joint that cannot be straightened; Flexion contractures; Flexion contractures of joints","HPO_Name__c":"Flexion contracture","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008180","HPO_Synonym__c":"Mildly elevated CPK; Mildly elevated creatine phosphokinase; Mildly elevated serum CK; Mildly elevated serum CPK; Mildly elevated serum phospho-CK; Mildly increased creatine kinase; Mildly increased serum creatine kinase; Moderately elevated serum CK; Moderately elevated serum CPK; Moderately increased serum creatine kinase","HPO_Name__c":"Mildly elevated creatine kinase","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormal reduction in quantity or strength of fetal movements.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001558","HPO_Synonym__c":"Decreased fetal activity; Decreased fetal movements; Decreased movement in utero; Dminished fetal movement; Fetal hypokinesia; Less than 10 fetal movements in 12 hours; Reduced fetal movement; Reduced fetal movements","HPO_Name__c":"Decreased fetal movement","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Weakness of the muscles of the arms.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003484","HPO_Synonym__c":"Decreased arm strength; Weak arm","HPO_Name__c":"Upper limb muscle weakness","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Fasciculations are observed as small, local, involuntary muscle contractions (twitching) visible under the skin. Fasciculations result from increased irritability of an axon (which in turn is often a manifestation of disease of a motor neuron). This leads to sporadic discharges of all the muscle fibers controlled by the axon in isolation from other motor units.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002380","HPO_Synonym__c":"Fasciculation; Muscle fasciculation; Muscle twitch","HPO_Name__c":"Fasciculations","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1143","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Any structural anomaly of the heart.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001627","HPO_Synonym__c":"Abnormality of cardiac morphology; Abnormality of the heart; Abnormally shaped heart; Cardiac abnormality; Cardiac anomalies; Cardiac anomaly; Congenital heart defect; Congenital heart defects; Heart defect","HPO_Name__c":"Abnormal heart morphology","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Congenital Abnormality"],"Specialist":["Genetics","Orthopedics","Pediatrics"],"Account":["Congenital limb malformation"]},"synonyms":["amc neurogenic type"," amc, neurogenic type"," amc2"," amcn"," arthrogryposis multiplex congenita neurogenic type"," neurogenic arthrogryposis multiplex congenita"]}