Cord blood thyroid-stimulating hormone level in high-risk pregnancies.
OBJECTIVE: To evaluate the effect of various antepartum conditions on cord blood thyroid-stimulating hormone (TSH) level. STUDY DESIGN: The study group consisted of 24,892 consecutive singleton deliveries over a period of 4 years. The effect of preeclampsia, glucose intolerance, maternal medical diseases, and antepartum hemorrhage of unknown origin (APHUO) on cord blood TSH level were assessed by univariate analysis and linear regression. RESULTS: After controlling for potential confounders, there was a significant independent association between cord blood TSH level and preeclampsia (P=0.043), glucose intolerance (P=0.015), and maternal medical diseases (P=0.022). Antepartum hemorrhage of unknown origin was not associated with a higher cord blood TSH level. CONCLUSION: Cord blood TSH level was significantly elevated in various adverse antepartum conditions. This may be related to the placental insufficiency and fetal hypoxia commonly found in these high-risk pregnancies.[1]References
- Cord blood thyroid-stimulating hormone level in high-risk pregnancies. Chan, L.Y., Chiu, P.Y., Lau, T.K. Eur. J. Obstet. Gynecol. Reprod. Biol. (2003) [Pubmed]
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