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Rhesus Incompatibility – An Assessment of the Hazards of Amniocentesis, and the Effect of Liquor Volumes on Amniocentesis Prediction
Author(s) -
Free Keith,
McDonnell Brian
Publication year - 1970
Publication title -
australian and new zealand journal of obstetrics and gynaecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.734
H-Index - 65
eISSN - 1479-828X
pISSN - 0004-8666
DOI - 10.1111/j.1479-828x.1970.tb00419.x
Subject(s) - amniocentesis , medicine , obstetrics , fetus , incidence (geometry) , perinatal mortality , pregnancy , maternal death , prenatal diagnosis , biology , population , genetics , physics , optics , environmental health
Summary The complications of 185 amniocenteses have been analysed. The failure rate of the procedure was 11.3%. Spontaneous rupture of the membranes and premature labour occurred in 2.2%. In 33% of patients fetal cells were found in the liquor and feto‐maternal haemorrhage occurred in 38%. The presence of fetal cells in the maternal circulation was followed by an increase in maternal sensitisation in 4 of 16 patients. Intra‐uterine fetal death can occur from feto‐maternal haemorrhage. A suprapubic approach for amniocentesis decreases the incidence of feto‐maternal transfusion. Placental localization is essential to avoid feto‐maternal transfusion. In 25 patients differences in liquor volume had no effect on the accuracy of amniocentesis prediction.