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What is Cordocentesis is done in which period of pregnancy? and explain in detail?
Cordocentesis or percutaneous umbilical blood sampling (PUBS)- Done after 18 weeks Invasive procedure Gives results in 24-48 hrs punctured near the inseion at the placental end Uses - Fetal anemia assessment remains the most common indication. Assessment and treatment of platelet allo-immunization and for fetal karyotype determination