Soluble syndecan-1 among normotensive pregnant women (551 ng/ml, IQR: 307–920), preeclamptic women with HELLP syndrome (644 ng/ml, IQR: 286–919 ng/ml) and preeclamptic women without HELLP (447 ng/ml, IQR: 267–734 ng/ml) are similar. The gene discussed is SDC1; the disease is HELLP syndrome.