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Second trimester amniotic fluid retinol in patients developing preeclampsia.

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Elevated retinol (ROH) levels in second-trimester amniotic fluid may indicate a higher risk of developing preeclampsia. This finding suggests ROH could serve as an early marker for this pregnancy complication.

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Area of Science:

  • Obstetrics and Gynecology
  • Maternal-Fetal Medicine
  • Nutritional Biochemistry

Background:

  • Retinol (ROH) is vital for fetal development and antioxidant functions.
  • Preeclampsia is a serious pregnancy complication with significant maternal and fetal risks.
  • Early identification of preeclampsia risk factors is crucial for timely intervention.

Purpose of the Study:

  • To evaluate retinol (ROH) in amniotic fluid (AF) as a potential early marker for preeclampsia.
  • To compare ROH concentrations in early second-trimester AF between women who develop preeclampsia and those with normal pregnancies.

Main Methods:

  • A case-control study design was employed.
  • Second-trimester amniotic fluid (AF) was analyzed for retinol (ROH), uric acid, vitamin E, and malondialdehyde (MDA).
  • Participants were categorized into those who later developed preeclampsia and those with uncomplicated pregnancies.

Main Results:

  • Significantly higher concentrations of retinol (ROH) were found in the amniotic fluid of women who later developed preeclampsia compared to normal pregnancies.
  • No significant differences were observed in uric acid, vitamin E, or malondialdehyde (MDA) levels.
  • Retinol (ROH) concentration in amniotic fluid showed a direct correlation with the risk of developing preeclampsia (OR 1.13).

Conclusions:

  • Second-trimester amniotic fluid retinol (ROH) concentration is significantly elevated in pregnancies complicated by preeclampsia.
  • Retinol (ROH) in amniotic fluid shows potential as an early predictive marker for preeclampsia.
  • Further research is warranted to confirm the clinical utility of AF ROH in preeclampsia screening.