What does ovulation mean?
Ovulation is the process in which a mature egg, or ovum, is released from an ovary. It normally occurs once during each menstrual cycle and is regulated by hormones, especially changes in levels of luteinizing hormone and estrogen. The released egg travels through the reproductive system, where it may be fertilized by sperm; if fertilization does not occur, it is typically reabsorbed, and menstruation follows. Ovulation is important in discussions of fertility, contraception, pregnancy planning, and menstrual timing. Its exact timing varies among individuals and can shift from one cycle to another. In general use, the term carries a scientific or medical register, while in health education it may also introduce the idea of a person's fertile period and possible fertility.
nounThe process by which a mature egg, or ovum, is released from an ovary, typically as part of the menstrual cycle. It is a normal, hormonally regulated stage of the reproductive cycle.
- The biological process of releasing a mature egg from an ovary during the reproductive cycle.
"Ovulation usually occurs roughly two weeks before menstruation."
"Ovulation usually occurs roughly two weeks before menstruation."
"Clinicians may monitor ovulation with ultrasound and hormone tests."
The plural can refer to separate occurrences of the process across multiple reproductive cycles.
"The timing of ovulations can vary considerably from one month to the next."
Ovulation is the hormone-timed release of a mature egg, a tiny event with enormous biological consequences.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does ovulation come from?
The English word derives from Latin ovulatio, a noun formed from ovulum, meaning “little egg,” which is a diminutive of ovum, “egg.” The suffix -ation is a later formation expressing an action or process. Related English words include ovum, ovule, ovarian, and oviparous, all reflecting the same Latin root.
Related word forms
How ovulation is actually used
The word is chiefly used in medical, biological, and fertility contexts. It can refer both to the physiological process and to the particular occurrence of an egg being released.