![Frontiers | Predictive Performance of Serum β-hCG MoM Levels for Preeclampsia Screening: A Meta-Analysis Frontiers | Predictive Performance of Serum β-hCG MoM Levels for Preeclampsia Screening: A Meta-Analysis](https://www.frontiersin.org/files/Articles/619530/fendo-12-619530-HTML-r1/image_m/fendo-12-619530-g001.jpg)
Frontiers | Predictive Performance of Serum β-hCG MoM Levels for Preeclampsia Screening: A Meta-Analysis
![Performance characteristics of Elecsys free βhCG and PAPP-A for first trimester trisomy 21 risk assessment in gestational weeks 8+0 to 14+0 Performance characteristics of Elecsys free βhCG and PAPP-A for first trimester trisomy 21 risk assessment in gestational weeks 8+0 to 14+0](https://www.degruyter.com/document/doi/10.1515/labmed-2015-0084/asset/graphic/j_labmed-2015-0084_fig_001.jpg)
Performance characteristics of Elecsys free βhCG and PAPP-A for first trimester trisomy 21 risk assessment in gestational weeks 8+0 to 14+0
Determination of the median values of maternal serum free β-hCG, PAPP-A and fetal NT measurement at 11-13 weeks in relation to
![PPT - Prenatal screening of Down's syndrom in the first and second trimester of pregnancy PowerPoint Presentation - ID:6610442 PPT - Prenatal screening of Down's syndrom in the first and second trimester of pregnancy PowerPoint Presentation - ID:6610442](https://image3.slideserve.com/6610442/risk-assesment-l.jpg)
PPT - Prenatal screening of Down's syndrom in the first and second trimester of pregnancy PowerPoint Presentation - ID:6610442
![JCM | Free Full-Text | Both Low and High PAPP-A Concentrations in the First Trimester of Pregnancy Are Associated with Increased Risk of Delivery before 32 Weeks in Twin Gestation JCM | Free Full-Text | Both Low and High PAPP-A Concentrations in the First Trimester of Pregnancy Are Associated with Increased Risk of Delivery before 32 Weeks in Twin Gestation](https://pub.mdpi-res.com/jcm/jcm-09-02099/article_deploy/html/images/jcm-09-02099-g001.png?1596120108)
JCM | Free Full-Text | Both Low and High PAPP-A Concentrations in the First Trimester of Pregnancy Are Associated with Increased Risk of Delivery before 32 Weeks in Twin Gestation
![Pregnancy-Associated Plasma Protein A (PAPP-A) as a potential biomarker for risk stratification assistance of nonviable pregnancy Pregnancy-Associated Plasma Protein A (PAPP-A) as a potential biomarker for risk stratification assistance of nonviable pregnancy](https://www.oatext.com/img/COGRM-5-241-g003.gif)
Pregnancy-Associated Plasma Protein A (PAPP-A) as a potential biomarker for risk stratification assistance of nonviable pregnancy
![PDF] The association between low PAPP-A levels at first trimester and poor pregnancy outcomes | Semantic Scholar PDF] The association between low PAPP-A levels at first trimester and poor pregnancy outcomes | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/180dc1aadef924caf3ffb160d25a13b6429e823d/3-Table1-1.png)
PDF] The association between low PAPP-A levels at first trimester and poor pregnancy outcomes | Semantic Scholar
![Performance characteristics of Elecsys free βhCG and PAPP-A for first trimester trisomy 21 risk assessment in gestational weeks 8+0 to 14+0 Performance characteristics of Elecsys free βhCG and PAPP-A for first trimester trisomy 21 risk assessment in gestational weeks 8+0 to 14+0](https://www.degruyter.com/document/doi/10.1515/labmed-2015-0084/asset/graphic/j_labmed-2015-0084_fig_004.jpg)
Performance characteristics of Elecsys free βhCG and PAPP-A for first trimester trisomy 21 risk assessment in gestational weeks 8+0 to 14+0
![First‐trimester screening for trisomy 21 by free beta‐human chorionic gonadotropin and pregnancy‐associated plasma protein‐A: impact of maternal and pregnancy characteristics - Kagan - 2008 - Ultrasound in Obstetrics & Gynecology - Wiley First‐trimester screening for trisomy 21 by free beta‐human chorionic gonadotropin and pregnancy‐associated plasma protein‐A: impact of maternal and pregnancy characteristics - Kagan - 2008 - Ultrasound in Obstetrics & Gynecology - Wiley](https://obgyn.onlinelibrary.wiley.com/cms/asset/cd845c66-0ba2-49d1-a3c7-782e4d19e7d8/mfig007.gif)