Fertility and Menstrual Cycle Abbreviations and Acronyms (I-N)

Here we present a list of frequently used menstrual, fertility and reproductive health abbreviations and acronyms. You'll find them used on MMC (our acronym for MyMonthlyCycles.com) and throughout online (and offline) fertility and menstrual discussions and communities!

I
  • IBT - Immunobead Binding Test
  • ICI - Intra-cervical Insemination
  • ICSI - Intra-cytoplasmic Sperm Injection
  • IF - Infertility
  • IGTT - Insulin and Glucose Tolerance Test
  • IM - Intra-muscular (WRT injections)
  • INCIID - International Council on Infertility Information Dissemination
  • IOR - Immature Oocyte Retrieval
  • IR - Insulin Resistant
  • ITI - Intra-tubal Insemination
  • IUFD - Intra-uterine Fetal Demise
  • IUGR - Intra-uterine Growth Retardation
  • IUI - Intra-uterine Insemination
  • IVC - Intra-vaginal Culture
  • IVF - In Vitro Fertilization
  • IVIg - Intravenous Immunoglobulin
L
  • LAD - Leukocyte Antibody Detection Assay
  • LAP - Laparoscopy
  • LH - Luteinizing Hormone
  • LIT - Leukocyte Immunization Therapy
  • LMP - Last Menstrual Period (start date)
  • LO - Love Olympics (sex)
  • LP - Luteal Phase
  • LPD - Luteal Phase Defect
  • LSP - Low Sperm Count
  • LUF, LUFS - Luteinized Unruptured Follicle Syndrome
M
  • MC, m/c, misc. - Miscarriage
  • MESA - Microsurgical Epididymal Sperm Aspiration
  • MF - Male Factor
  • MIFT - Micro Injection Fallopian Transfer
  • MRI - Magnetic Resonance Imaging
  • M/S - Morning Sickness
N
  • NEST - Non-surgical Embryonic Selective Thinning
  • NK - Natural Killer Cells (CD56+)
  • NORIF - Non-stimulated Oocyte Retrieval In (office) Fertilization
  • NP - Nurse Practitioner