The event which coincides with the transition from the proliferative phase to the secretory phase is ovulation.
Step-by-step explanation:
The events that coincides with the transition from the proliferative phase to the secretory phase is the shredding of the stratum functionalism, starting of ovulation and the sequential events that prepares for menstruation
There is sequence of events that leads to menstruation in females; they are the menstrual phase, the follicular phase, the proliferative phase, ovulation, the luteal phase and the secretory phase. Each of these phases have characteristic events that lead to the progression of the menstrual cycle in women.