The percentage of elevated DD concentrations (> 0.5 mg / L) was 83.5%, similar in healthy pregnancies (p = 0, 210).
Tỷ lệ tăng FM (> 6,0 mg / L) là 28,2%, trong khi FM không tăng ở nhóm thai phụ khoẻ mạnh (p= 0,001).