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- Single_umbilical_artery abstract "Occasionally, there is only the one single umbilical artery (SUA) present in the umbilical cord. Approximately this affects between 1 in 100 and 1 in 500 pregnancies, making it the most common umbilical abnormality. It is more common in multiple births. Its cause is not known.Most cords have one vein and two arteries. The vein carries oxygenated blood from the placenta to the baby and the arteries carry deoxygenated blood from the baby to the placenta. In approximately 1% of pregnancies there are only two vessels —usually a single vein and single artery. In about 75% of those cases, the baby is entirely normal and healthy and the missing artery isn't missed at all. One artery can support a pregnancy and does not necessarily indicate problems. For the other 25%, a 2-vessel cord is a sign that the baby has other abnormalities—sometimes life threatening and sometimes not. SUA does increase the risk of the baby having cardiac, skeletal, intestinal or renal problems. Babies with SUA may have a higher likelihood of having other congenital abnormalities, especially of the heart. However, additional testing (high level ultrasound scans) can rule out many of these abnormalities prior to birth and alleviate parental anxiety. Echocardiograms of the fetus may be advised to ensure the heart is functioning properly. Genetic counseling may be useful, too, especially when weighing the pros and cons of more invasive procedures such as chorionic villus sampling and amniocentesis.Although the presence of an SUA is a risk factor for additional complications, most fetuses with the condition will not experience other problems, either in utero or after birth. Especially encouraging are cases in which no other soft markers for congenital abnormalities are visible via ultrasound. Prior to ultrasound technology, the only method for determining the presence of a SUA was at birth, following an examination of the placenta. Given that the vast majority of expectant mothers do not receive the kind of advanced ultrasound scanning required to confirm SUA in utero, most cases may never be detected antenatally even today.Doctors and midwives often suggest parents take the added precaution of having regular growth scans near term to rule out intrauterine growth restriction, which can happen on occasion and warrant intervention. Yet the majority of growth restricted infants with the abnormality also have other defects. Finally, neonates with the finding may also have a higher occurrence of renal problems, therefore close examination of the infant may be warranted shortly after birth. Among SUA infants, there is a slightly elevated risk for post-natal urinary infections.It may be associated with Edwards syndrome.".
- Single_umbilical_artery diseasesdb "34592".
- Single_umbilical_artery icd10 "P02.6, Q27.0".
- Single_umbilical_artery icd9 "747.5".
- Single_umbilical_artery thumbnail Single_umbilical_artery,_HE..jpg?width=300.
- Single_umbilical_artery wikiPageID "25936010".
- Single_umbilical_artery wikiPageRevisionID "593053744".
- Single_umbilical_artery caption "Cross-section of a umbilical cord with a single artery.".
- Single_umbilical_artery diseasesdb "34592".
- Single_umbilical_artery hasPhotoCollection Single_umbilical_artery.
- Single_umbilical_artery icd "747.5".
- Single_umbilical_artery icd "P02.6, Q27.0".
- Single_umbilical_artery subject Category:Congenital_vascular_defects.
- Single_umbilical_artery type Abstraction100002137.
- Single_umbilical_artery type Attribute100024264.
- Single_umbilical_artery type Condition113920835.
- Single_umbilical_artery type CongenitalVascularDefects.
- Single_umbilical_artery type Defect114464005.
- Single_umbilical_artery type Disease114070360.
- Single_umbilical_artery type IllHealth114052046.
- Single_umbilical_artery type Illness114061805.
- Single_umbilical_artery type Imperfection114462666.
- Single_umbilical_artery type PathologicalState114051917.
- Single_umbilical_artery type PhysicalCondition114034177.
- Single_umbilical_artery type State100024720.
- Single_umbilical_artery type Disease.
- Single_umbilical_artery type AilmentCondition.
- Single_umbilical_artery type Situation.
- Single_umbilical_artery comment "Occasionally, there is only the one single umbilical artery (SUA) present in the umbilical cord. Approximately this affects between 1 in 100 and 1 in 500 pregnancies, making it the most common umbilical abnormality. It is more common in multiple births. Its cause is not known.Most cords have one vein and two arteries. The vein carries oxygenated blood from the placenta to the baby and the arteries carry deoxygenated blood from the baby to the placenta.".
- Single_umbilical_artery label "Arteria umbilical única".
- Single_umbilical_artery label "Pojedyncza tętnica pępowinowa".
- Single_umbilical_artery label "Single umbilical artery".
- Single_umbilical_artery label "Singuläre Umbilikalarterie".
- Single_umbilical_artery sameAs Singuläre_Umbilikalarterie.
- Single_umbilical_artery sameAs Arteria_umbilical_única.
- Single_umbilical_artery sameAs Pojedyncza_tętnica_pępowinowa.
- Single_umbilical_artery sameAs m.0b6gzqq.
- Single_umbilical_artery sameAs Q392185.
- Single_umbilical_artery sameAs Q392185.
- Single_umbilical_artery sameAs Single_umbilical_artery.
- Single_umbilical_artery wasDerivedFrom Single_umbilical_artery?oldid=593053744.
- Single_umbilical_artery depiction Single_umbilical_artery,_HE..jpg.
- Single_umbilical_artery isPrimaryTopicOf Single_umbilical_artery.