mid-cycle
/ˈmɪdˌsʌɪkl/adjective
1Relating to the middle of a cycle of operations or activity.
2 Physiology. Occurring in the middle of the menstrual cycle.
noun
1 Physiology. The middle of the menstrual cycle.
2The middle of a cycle of operations or activity, especially of a washing machine.
Origin
1920s; earliest use found in The Syracuse Herald. From mid + cycle.