Human Reproduction, Vol. 15, No. 5, 1170-1172,
May 2000
© 2000 European Society of Human Reproduction and Embryology
Anti-cardiolipin antibodies in fetal blood and amniotic fluid derived from patients with the anti-phospholipid syndrome
1 Department of Obstetrics and Gynaecology and the Research Unit of Autoimmune Diseases and 2 Department of Medicine B Sheba Medical Centre, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Hashomer, Israel 52621
The aim of this study was to investigate whether, in patients with antiphospholipid syndrome, anticardiolipin antibodies pass from mother to offspring sera and amniotic fluid. Eleven patients with antiphospholipid syndrome (study group) and 11 healthy controls, matched by maternal and gestational age (control group) were prospectively examined for the presence of anticardiolipin antibodies in the cord blood during labour, and amniotic fluid during vaginal or Caesarean delivery. Three neonates (27.3%) in the study group had anticardiolipin antibodies in the cord blood, while none had them in the control group. Anticardiolipin antibodies were detected in the amniotic fluid in six (54.5%) of the study group pregnancies, compared with none in the control group. No adverse neonatal outcome was noted except for significantly lower (P < 0.0006) mean birth weight in the study group. Anticardiolipin antibodies can pass the placenta and be detected in fetal cord blood and amniotic fluid. This finding might be used in the future for the assessment of pregnancies with antiphospholipid syndrome.
Key words: amniotic fluid/anticardiolipin antibodies/antiphospholipid syndrome/fetal cord blood
3 To whom correspondence should be addressed at: Department of Obstetrics and Gynaecology, Sheba Medical Centre, Tel-Hashomer, Israel 52621
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