The term "dominant follicle" refers to the largest and most developed egg-containing structure in a woman's ovary during the menstrual cycle. It is the follicle that is most likely to release a mature egg for fertilization. Full definition
Noting that high estrogen concentrations are «a defining characteristic of dominant follicles,» Dr. Denis Magoffin (Ceders - Sinai Medical Center, Los Angeles, California, USA) and co-investigators examined whether abnormal expression of ERs could contribute to poor follicular development and ovulatory failure in women with PCOS. (bioidenticalhormones101.com)
But during that cycle, only one dominant follicle matures completely to release the oocyte contained within it. (discovermagazine.com)
In this study, by canceling the cycle if three or more dominant follicles developed or estradiol levels were higher than 1500 pg / ml, they were able to keep the multiple pregnancy rate a low 2.6 %. (verywellfamily.com)