Menstrual cycle & ovulation
With oligo-ovulation, ovulation happens in some cycles but not others, reducing the number of chances to conceive each year. Ovulation induction may be offered depending on the cause.
Also known as: irregular ovulation, infrequent ovulation
Last reviewed: 23 September 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.