There are multiple definitions:

1. intracytoplasmic sperm injection(English)

   • GIFT, IUI, MESA, TESE, FAE, FET, IVF, LBR, OHSS
   • Embryology /reproduction

2. Institute for Clinical Systems Improvement(English)

   • Organizations (clinical)

3. interstitial cystitis symptom index(English)

   • BPS, FLUTS, PUF, UDS
   • Urology, Pain
   • https://doi.org…55/2022/7149467