Red Cell Antibodies in Pregnancy Leave a Comment / Blog / By obgninja 1 Created on November 02, 2021 By obgninja Q4 Red Cell Antibodies in Pregnancy 1 / 2 From what stage in pregnancy can testing for cell free Fetal DNA be done to check for Fetal RHD status? 10 weeks 12 weeks 16 weeks 20 weeks Genotyping can be undertaken from 16 weeks of gestation ( Except for K) Genotyping can be undertaken from 16 weeks of gestation ( Except for K) 2 / 2 From what stage in pregnancy can testing for cell free Fetal DNA be done to check for Fetal K antigen status? 10 weeks 12 weeks 16 weeks 20 weeks Genotyping can be undertaken from 16 weeks of gestation for all except K which can be undertaken from 20 weeks, due to the risk of a false negative result if performed earlier in pregnancy. Genotyping can be undertaken from 16 weeks of gestation for all except K which can be undertaken from 20 weeks, due to the risk of a false negative result if performed earlier in pregnancy. Your score is The average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz