Fertility and Menstrual Cycle Abbreviations and Acronyms (O-R)

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!

O
  • O, OV - Ovulation
  • OB - Obstetrician
  • OB/GYN - Obstetrician/Gynecologist
  • OC - Oral Contraceptives
  • OD - Ovulatory Dysfunction
  • OHSS - Ovarian Hyperstimulation Syndrome
  • OPK - Ovulation Predictor Kit
  • OPT - Ovulation Predictor Test
  • OTC - Over The Counter
P
R
  • RE - Reproductive Endocrinologist
  • R-FSH, R-hFSH - Recombinant Human Follicle Stimulating Hormone
  • RI - Reproductive Immunologist
  • RIP - Reproductive Immunophynotype
  • ROS - Reactive Oxygen Species
  • RPL - Recurrent Pregnancy Loss
  • RSA - Recurrent Spontaneous Abortion
  • Rx - Prescription