In some in vitro experiments with extravillous trophoblast cells, it has been uncovered that fetuin-A may decrease trophoblast viability and invasion caused by the inhibition of receptor tyrosine kinase activity.22 It has been unveiled that elevated serum levels of fetuin-A might be associated with preeclampsia and fetal growth restriction.22-24. The gene discussed is NTRK1; the disease is preeclampsia.