a menstrual cycle in which an egg is not prepared and released. Because a corpus luteum is not formed, the levels of progesterone will remain low in the second half of the cycle and the cycle will have no luteal phase.
A condition in which a woman does not release mature eggs on a regular basis for fertilization. Roughly 40 percent of couples that seek treatment for infertility are diagnosed with anovulation.
failure of the ovaries to produce or release mature eggs.