Fetal biophysical phase score

Fetal biophysical phase score (BPS) is a method of ultrasound monitoring of high-risk fetal behavior summarized by Manning and others in the 1980s, including fetal movement (FM), fetal respiratory movement (FBM), non-irritable test (NST), fetal muscle There are 5 items of tension (FT) and amniotic fluid volume (AFV). Vintzileos et al. Improved the Manning score, increased placental classification (P), and studied the correlation between BPP and PPROM concurrent infections; NST non-responsive and FBM absence were the main manifestations of recessive fetal infections, while FM and FT decreased It is a late sign of infection. Fetal infection can increase the oxygen demand of the fetus, on the one hand, it causes acidosis in the fetus, and on the other hand, it causes the local brain tissue to be in a hypoxic state, resulting in central nervous system dysfunction and BPP changes. BPP can be widely used in PPROM patients to predict fetal safety and intrauterine infection. NST is an indispensable indicator in BPS, and the negative predictive value of NST alone is the same as BPP.

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