Some of the techniques used for Antenatal Diagnosis Amniocentesis - Chromosome/micro-array and DNA analysis - Fetal infection — PCR Fetal blood sampling - Fetal haemoglobin for anaemia - Fetal infection serology - Fetal blood transfusion Chorionic villus sampling - Chromosome/micro-array and DNA analysis - Fetal infection — PCR - Enzyme analysis of inborn error of metabolism Preimplantation genetic diagnosis (PGD) - In vitro fertilisation allows genetic analysis of cells from developing embryo before transfer to the uterus Fetoscopy - Minimally invasive surgery, e.g. laser photo-coagulation of communicating vessels in twin—twin transfusion syndrome. Non-invasive genetic diagnosis — free fetal DNA from maternal blood - Identification of fetal gender and rhesus status #Antenatal #Testing #Diagnosis #Laboratory #Obstetrics #OBGyn
