Lupus anticoagulant (LA) in pregnant women with history of recurrent fetal loss

Figures & data

Table 1 Dilutions of normal patient plasma

Normal plasma	Patient plasma
100%	0%
90%	10%
80%	20%
50%	50%
20%	80%
10%	90%

Table 2 Outcome of partial thromboplastin time with kaolin (PTT_k) and kaolin clotting time (KCT) in 50 pregnant women with recurrent pregnancy loss

Tests	n	Within normal	Mild prolongation	Very prolonged
PTTk	50	14	–	36 (72%)
KCT	50	35	3 (6%) (LA + cofactor)	12 (24%) (LA in circulation)

Abbreviation: LA, lupus anticoagulant.