Ovulation typically occurs in only one ovary during each menstrual cycle.
the verdict
SUPPORTED
the evidence backs this
confidence 79/100
Physiologically, humans are monotocous species that typically release a single oocyte from only one ovary during each menstrual cycle.
Evidence for · 2
Simultaneous bilateral fallopian tubal pregnancy of a laparoscopic definite spontaneous unilateral ovulation: a case report
2022 · cited by 4
Paper 5 reports a case of simultaneous bilateral tubal pregnancy featuring two corpus luteums in a single ovary, confirming that unilateral ovulation can occur (where only one ovary releases an egg during the cycle).
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More for · 1
Initial and cyclic recruitment of ovarian follicles: a quarter-century update.
2025 · cited by 0
Paper 9 discusses ovarian recruitment and touches upon the classical physiological phenomenon of alternate ovulation between ovaries during menstrual cycles.