fetal hemoglobin

(redirected from Fetal blood)
Also found in: Dictionary, Encyclopedia.
Related to Fetal blood: fetal hemoglobin

he·mo·glo·bin F

[MIM*142200]
normal fetal Hb (Hb F) of molecular formula α2Aγ2F, which is the major Hb component during intrauterine life, decreasing rapidly during infancy to reach a concentration of less than 0.5% in normal children and adults; the concentration of Hb F is increased in some hemoglobinopathies and in some cases of hypoplastic anemia, pernicious anemia, and leukemia; Hb F has a weaker affinity for 2,3-bisphosphoglycerate than does Hb A. More than 50 mutant variants of the γ chain have been reported.
Synonym(s): fetal hemoglobin

fetal hemoglobin

n.
The predominant form of hemoglobin in fetuses and newborn infants, present in small amounts in adults but often elevated in adults with certain forms of anemia and other disorders.

fetal hemoglobin

hemoglobin F, the major hemoglobin present in the blood of a fetus and neonate. Hemoglobin F is present in only trace amounts in the blood of normal adults.

fetal hemoglobin

Hemoglobin F An immature Hb composed of 2 α and 2 γ chains that usually disappears in the neonatal period. See Hereditary persistence of fetal hemoglobin.
Mentioned in ?
References in periodicals archive ?
When fetal blood reaches the placenta, this process is reversed and C[O.
How and when umbilical cord gas analysis can justify your obstetric management: three cases illustrate how umbilical cord gas values can provide insight into a newborn's status
Richardson, "Placental compared with umbilical cord blood to assess fetal blood gas and acid-base status," Obstetrics and Gynecology, vol.
Increased umbilical cord PAI-1 levels in placental insufficiency are associated with fetal hypoxia and angiogenesis
4] Laminated intervillous thrombi (linear streaks of fibrin with degenerating red and white blood cells in between) are thought to be caused by leakage of fetal blood into the intervillous spaces via defects in the trophoblast, usually occurring at varying times and leading to clotting of mixed fetal-maternal blood as a mechanism to limit fetal blood loss and fetomaternal bleeding.
Limitations of middle cerebral artery peak systolic velocity in the detection of severe anaemia: a case report
Severe changes to the nervous tissue of fetus develop when the partial pressure of oxygen in the fetal blood decreases by 60-70% or more for 8-10 minutes (hypoxic encephalopathy).
Influence of genital infection on fetoplacental complex
In a letter to Sophie's parents in January 2015, Ken Bremner, Chief Executive of City Hospitals Sunderland NHS Foundation Trust, said: "It was not appropriate for fetal blood sampling to have been performed on a baby at 32 weeks gestation and that sampling caused an injury which caused Sophie's brain injury.
A life limited by clinical error
18 They showed that maternal anxiety levels had effects on the fetal blood flow.
Ductus venosus doppler flow velocity after transplacental and non-transplacental amniocentesis during midtrimester
This will include life-saving procedures such as fetal blood transfusions, laser treatment, bladder shunts and other procedures which are carried out at Liverpool Women's to save babies' lives in the womb - and sometimes those of their mothers.
Dr takes expertise to Abu Dhabi
Since the fetus gets its oxygen from the mother's blood, this condition leads to decreased oxygen in the fetal blood.
Tips for tackling asthma during pregnancy revealed
All staff now attend mandatory training sessions on electronic fetal monitoring and the use of fetal blood sampling.
MUM'S PS4m PAYOUT AFTER HOSPITAL BLUNDER; Daughter was left severely disabled due to birth errors; City hospital in PS4m payout after blunder
During prenatal follow-up, no interventions, including fetal blood sampling or intrauterine transfusion, were performed.
A case of nonimmune hydrops fetalis caused by homozygous [alpha]-thalassemia / Homozigot [alpha]-Talasemiye Bagli Gelisen Bir Nonimmun Hidrops Fetalis Olgusu
The following diagnostic tools are important (Norwegian Institute of Public Health 2007; Norwegian Society of Gynecology and Obstetrics 2008): two-dimensional ultrasound, cardiotocography, STwaveform analysis (STAN) and fetal blood analysis.
Adoption of diagnostic technology and variation in caesarean section rates: a test of the practice style hypothesis in Norway
Previous tests looked for a few fetal blood cells, perhaps 10 out of 200 billion in the sample, and those were fragile.
New fetal DNA test; Down syndrome tracked in 1st trimester

Medical browser ?
Full browser ?