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First trimester fetal thymus volume may predict preeclampsia.
Ozlem Ece Basaran1, Emine Seda Guvendag Guven1, Suleyman Guven1
1Departments of Obstetrics and Gynecology, Karadeniz Technical University, School of Medicine, Trabzon, Turkey.
Pregnancy Hypertension
|November 6, 2021
Summary
Measuring fetal thymus volume in the first trimester can predict preeclampsia. Lower fetal thymus volume is associated with preeclampsia development, offering a potential early diagnostic marker.
Area of Science:
- Reproductive biology
- Immunology
- Medical imaging
Background:
- Preeclampsia is a pregnancy complication with immunological underpinnings.
- The thymus plays a crucial role in fetal immune system development.
Purpose of the Study:
- To investigate the association between fetal thymus volume and preeclampsia.
- To assess the utility of 3D fetal thymus volume measurement in early pregnancy for predicting preeclampsia.
Main Methods:
- A prospective study involving 72 pregnant women in their first trimester.
- 3D fetal thymus volume was measured using the sonographic VOCAL program.
- Women were categorized into preeclampsia (n=10) and control (n=62) groups.
Main Results:
- Fetal thymus volume was significantly lower in pregnancies that developed preeclampsia.
- A fetal thymus volume threshold of 0.0375 cm³ demonstrated 87.1% sensitivity and 50% specificity for preeclampsia prediction.
- Low fetal thymus volume at 11-14 weeks gestation was identified as a significant predictive factor for preeclampsia.
Conclusions:
- 3D fetal thymus volume measurement in the first trimester can serve as a predictive marker for preeclampsia development.
- This non-invasive ultrasound measurement offers potential for early identification of at-risk pregnancies.
