Establishing trimester-specific reference intervals for coagulation parameters in pregnant women in China

Abstract Background During pregnancy, the body’s hemorrhagic and coagulation system undergoes significant changes. Reference intervals for coagulation parameters may vary across different study populations and with different testing instruments. This study aimed to establish reference intervals for coagulation parameters in non-pregnant and pregnant women in China. Methods Between January 2023 and February 2024, blood samples from 879 pregnant women and 253 healthy non-pregnant women were tested