There are multiple definitions:

1. early pregnancy failure(English)

   • occurs in up to 20% of clinically recognized pregnancies and is commonly managed surgically with suction dilation and curettage
   • AFS, D&C, EVA, HSG, IUA, MVA
   • Pregnancy
   • https://doi.org…ert.2005.11.065

2. external plate fixation(English)

   • axial stiffness and angular stiffness decrease as the offset distance from the bone surface increases
   • STDSP
   • Musculoskeletal system, Injury, Surgery, Orthopedics
   • https://doi.org…ury.2013.04.023