Ovulation typically occurs 5 to 10 days after taking the last Clomid pill. 3 So if you took Clomid on days 3 to 7 of your cycle, you are most likely to ovulate between days 10 and 16. If you took Clomid cost on days 5 through 9, ovulation is most likely to occur between days 12 and 17 of your cycle.