Ectopic Pregnancy
- Human chorionic gonadotropin discriminatory zone in ectopic pregnancy: does assay harmonization matter?
- Circulating microRNA miR-323-3p as a biomarker of ectopic pregnancy
- Serum activin A does not predict ectopic pregnancy as a single measurement test, alone or as part of a multi-marker panel including progesterone and hCG
Fetal Lung Maturity
- Fetal lung maturity testing: the end of an era
- Predicting respiratory distress syndrome using gestational age and lamellar body count
- Discrepancy in lamellar body counts (LBCs) between the Sysmex XE-2100 and Sysmex XT-2000i instruments
- Validation of lamellar body counts using three hematology analyzers
- Clinical and laboratory trends in fetal lung maturity testing
- Biomarker tests for fetal lung maturity
- Validation of the L/S ratio determined by digital scanning densitometry
- Fetal lung maturity
- A direct comparison between lamellar body counts and fluorescent polarization methods for predicting respiratory distress syndrome
- The mean weekly increment of amniotic fluid TDx-FLM II ratio is constant during the latter part of pregnancy
- Predicting respiratory distress syndrome using gestational age and fetal lung maturity by fluorescent polarization
- Preanalytical factors that influence the Abbott TDx Fetal Lung Maturity II assay
- Prediction of risk for respiratory distress syndrome using gestational age and the TDx-FLM II assay
- Lamellar body count in amniotic fluid: a comparative study of four different hematology analyzers
- Bilirubin in amniotic fluid does not interfere with the Abbott TDx FLM II assay
- Assessment of the diagnostic accuracy of the TDx-FLM II to predict fetal lung maturity
General Laboratory Medicine
Genetics
hCG
- Establishing reference intervals for hCG in postmenopausal women.
- Inappropriate Off-label Use of a Qualitative, Point-of-care hCG Device.
- Characterizing urinary hCGβcf patterns during pregnancy.
- Heterophile antibody interference in qualitative urine/serum hCG devices: Case report.
- Estimating the hCGβcf in urine during pregnancy.
- Pathology consultation on human chorionic gonadotropin testing for pregnancy assessment.
- Evaluation of a semi-quantitative pregnancy device for susceptibility to interference caused by hCGβcf.
- Analytical performance evaluation of the i-STAT Total β-human chorionic gonadotropin immunoassay.
- Assessing the risk of false negative point-of-care urinary human chorionic gonadotropin device results due to beta core fragment.
- Variable accuracy of home pregnancy tests: truth in advertising?
- Performance characteristics of the Beckman Coulter total βhCG (5th IS) assay.
- Qualitative Point-of-Care Human Chorionic Gonadotropin Testing: Can We Defuse This Ticking Time Bomb?
- Improved Performance of Point-of-Care and Over-the-Counter Qualitative Human Chorionic Gonadotropin Measurement Devices
- Screening method to evaluate point-of-care human chorionic gonadotropin (hCG) devices for susceptibility to the hook effect by hCG β core fragment: evaluation of 11 devices
- Evaluation of leukocyte and bacterial interference in point-of-care human chorionic gonadotropin tests
- Point-of-care and over-the-counter qualitative human chorionic gonadotropin (hCG) devices remain susceptible to false-negative results caused by excess hCG β core fragment
- Inappropriate use of qualitative, point-of-care urine human chorionic gonadotropin test
- Analytical and clinical validation of the Immulite 1000 hCG assay for quantitative analysis in urine
- Limitations in qualitative point of care hCG tests for detecting early pregnancy
- Should the qualitative serum pregnancy test be considered obsolete?
- Falsely decreased human chorionic gonadotropin (hCG) results due to increased concentrations of the free beta subunit and the beta core fragment in quantitative hCG assays
- An unlikely pregnancy
- The analytical specificity of human chorionic gonadotropin assays determined using WHO International Reference Reagents
- Qualitative point-of-care and over-the-counter urine hCG devices differentially detect the hCG variants of early pregnancy
- Characterization of the hCG variants recognized by different hCG immunoassays: an important step toward standardization of hCG measurements
- Serum human chorionic gonadotropin concentrations greater than 400,000 IU/L are invariably associated with suppressed serum thyrotropin concentrations
- Clinical assays for human chorionic gonadotropin: what should we measure and how?
- False-negative results from point-of-care qualitative human chorionic gonadotropin (hCG) devices caused by excess hCGbeta core fragment vary with device lot number
- False-negative results in point-of-care qualitative human chorionic gonadotropin (hCG) devices due to excess hCGbeta core fragment
- Use of serum FSH to identify perimenopausal women with pituitary hCG
- Method validation for cerebral spinal fluid human chorionic gonadotropin measurement with the Advia Centaur
- Detection of unexpected isoforms of human chorionic gonadotropin by qualitative tests
- Persistent low concentration of human chorionic gonadotropin in a nonpregnant woman
- Diagnostic considerations in the measurement of human chorionic gonadotropin in aging women
- Endometrial adenocarcinoma associated with elevated serum concentrations of the free beta subunit of human chorionic gonadotropin
- Method evaluation for total beta-human chorionic gonadotropin using urine and the ADVIA Centaur
- Total beta-human chorionic gonadotropin measured in urine by an automated method
Hemolytic Disease of the Newborn
- Comparison of various methods for amniotic fluid delta OD450 bilirubin measurement
- Effect of blood contamination on delta 450 bilirubin measurement: an in vitro comparison of two corrective methods
Non-invasive Prenatal Testing
- A cost-effectiveness analysis of first trimester non-invasive prenatal screening for fetal trisomies in the United States.
- Non-invasive prenatal testing using cell-free fetal DNA in maternal circulation
Nutrition
Ovulation
Preterm Delivery
- Cervicovaginal interleukin-6 as a predictor of preterm birth in African American women
- Diagnostic accuracy of cervicovaginal interleukin-6 and interleukin-6:albumin ratio as markers of preterm delivery
- Cervicovaginal interleukin-6, tumor necrosis factor-alpha, and interleukin-2 receptor as markers of preterm delivery
- Accuracy of the rapid fetal fibronectin TLi system in predicting preterm delivery
Thyroid Disorders
- Evaluation of thyroid function during pregnancy: have we taken a wrong turn?
- Establishment of reference intervals for thyroid-stimulating hormone and free thyroxine in amniotic fluid using the Bayer ADVIA Centaur
- Establishment of reference intervals for markers of fetal thyroid status in amniotic fluid
- Thyroid function during pregnancy
- Serum human chorionic gonadotropin concentrations greater than 400,000 IU/L are invariably associated with suppressed serum thyrotropin concentrations
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