Tatra G, Reinthaller A, Mattausch M
Z Geburtshilfe Perinatol. 1984 Nov-Dec;188(6):272-4.
Concentration of fibronectin in amniotic fluid was compared in early pregnancy and after 35th week of gestation. Content of amniotic fluid fibronectin between 15th and 20th week was significantly higher than after 35th week. Fibronectin-level was higher in amniotic fluid of female fetuses (15th-20th week) whereas concentration of protein in amniotic fluid of cases with chromosomal anomalies was declined (15th-21st week demonstrable.