healthneutral

Can Blood Tests Predict Pregnancy Complications?

SwedenFriday, February 13, 2026
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Researchers in Sweden are investigating whether blood tests can help predict preeclampsia, a serious condition characterized by high blood pressure during pregnancy. The study focuses on the 24 to 29-week pregnancy window, aiming to identify blood markers that may signal a higher risk of developing preeclampsia later in pregnancy.

Understanding Preeclampsia

Preeclampsia typically occurs after the 20th week of pregnancy and can lead to severe health complications for both the pregnant person and the baby. Early prediction could allow for closer monitoring and preventative measures, reducing the risk of severe outcomes.

Key Blood Markers

The researchers are examining two specific proteins:

  • sFlt-1
  • PlGF

These proteins are involved in blood vessel formation and function, and their ratio may serve as a crucial indicator of preeclampsia risk. Detecting these markers could help doctors identify high-risk pregnancies early.

Significance of the Study

Preeclampsia is often unpredictable, and current methods lack definitive predictive power. If blood tests can provide early warnings, it could revolutionize prenatal care. However, further research is needed to validate these findings and determine their clinical application.

Population Considerations

The study focuses on the general Swedish population, and results may vary across different ethnic and demographic groups. If confirmed, these findings could improve pregnancy care globally.

Current Recommendations

Pregnant individuals should continue attending all prenatal appointments and follow their doctor’s guidance. Regular check-ups remain the best way to monitor pregnancy health and detect potential issues early.

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