Prenatal diagnosis of hemoglobinopathies: from fetoscopy to coelocentesis

Prenatal diagnosis of hemoglobinopathies involves the study of fetal material from blood, amniocytes, trophoblast coelomatic cells and fetal DNA in maternal circulation. Its first application dates back to the 70s and it involves globin chain synthesis analysis on fetal blood. In the 1980s molecular analysis was introduced as well as amniocentesis and chorionic villi sampling under high-resolution ultrasound imaging. The application of direct sequencing and polymerase chain reactionbased methodologies improved the DNA analysis procedures and reduced the sampling age for invasive prenatal diagnosis from 18 to 16- 11 weeks allowing fetal genotyping within the first trimester of pregnancy. In the last years, fetal material obtained at 7-8 weeks of gestation by coelocentesis and isolation of fetal cells has provided new platforms on which to develop diagnostic capabilities while non-invasive technologies using fetal DNA in maternal circulation are starting to develop.

• Publication year

  2014

• Venue

  Thalassemia Reports

• Publication date

  2014-09-29

• Fields of study

  Medicine

• Identifiers
  DOI 10.4081/THAL.2014.2200
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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