Which imaging studies are used in the workup of chorioamnionitis?

Updated: May 08, 2018
  • Author: Fayez M Bany-Mohammed, MD; Chief Editor: Ted Rosenkrantz, MD  more...
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Ultrasonography may be used to ascertain fetal well-being. A biophysical profile (BPP) provides information about the status of the fetus. A low BPP score, and especially the loss of fetal breathing movements, has been associated with fetal bacterial infection after premature rupture of membranes (PROM). [139, 140] Other investigations have not confirmed the importance of a low BPP score. Specifically, the absence of fetal breathing, may not be a reliable test for amnionitis prior to 32 weeks' gestation. [197, 198]

Before the fetus is viable, vaginal ultrasonography can be used to identify women with a shortened cervical canal, which is associated with a higher risk of preterm delivery. [11, 12, 13] Researchers suggest a shortened cervical canal or cervical insufficiency are linked to ascending urogenital infection that initiates premature labor, PROM, or both.

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