Sentence examples for serum screening for from inspiring English sources
Objective: To evaluate maternal serum screening for trisomy 21 (MSS) in Flanders between 1992 and 2002.
Maternal serum screening for neural tube defects and fetal aneuploidy has become part of current obstetrical practice.
Combined algorithms are also available for Trisomy 18. 13 It is acknowledged that combined ultrasound and serum screening for multifetal gestations remains less sensitive than in singleton pregnancies.
18, 19 Combined first trimester serum screening for multifetal gestations is less sensitive (70%) than in singleton pregnancies, and there are concerns about averaging serum markers.
Maternal serum screening for neural tube defects and fetal aneuploidy in the second trimester has been incorporated into obstetrical practice over the past two decades.
In the intervention arm, CMV-seronegative women, identified at the time of maternal serum screening for fetal aneuploidy at 11 12 weeks of gestation, were given hygiene information and prospectively tested for CMV until delivery.
Results of serum screen for Borrelia burgdorferi antibodies (by ELISA) were negative.
Typically, the significance of a serum screen for the measurement of H. pylori antibody titer has been discussed in the context of the ABC method.
Objective: The study was designed to evaluate whether double positive maternal serum screening results for Down syndrome and open neural tube defects indicate an increased risk of adverse perinatal outcome.
Ray et al. [ 31] analyzed maternal serum screening data for Ontario and observed a decline in NTD prevalence from 1.13 per 1,000 pregnancies before fortification to 0.58 per 1,000 pregnancies thereafter (prevalence ratio 0.52, 95% CI 0.40 0.67).
Other routine interventions such as ultrasound screening in the first trimester are effective in assessing gestational age accurately, in detecting twin pregnancies and, combined with serum screening markers, in screening for Down's syndrome (nuchal translucency scan) [ 28- 30].
