There are multiple definitions:

1. preconception care intervention(English)

   • maternal metabolic disorders are linked to reduced metabolic health and oocyte quality. Obese women are advised to lose weight before conception to increase pregnancy chances
   • BP
   • Pregnancy, Metabolism, Anxiety/fear, Diet
   • https://doi.org…958-021-00848-4
   • https://doi.org…6/NEJMoa1505297

2. pulse contour cardiac output index(English)

   • GEDVI, PIH, SVRI, CO, PiCCO
   • Hemodynamics, Injury, Monitoring
   • https://doi.org…587.2018.01.004