Final answer:
The patient is most likely in the Transition phase of labor. During this phase, contractions are strong and occur every 2-3 minutes, lasting for 60-90 seconds.
Step-by-step explanation:
The patient is most likely in the Transition phase of labor. Transition phase is the final and most intense phase of labor, characterized by rapid cervical dilation from 8 to 10 cm. During this phase, contractions are strong and occur every 2-3 minutes, lasting for 60-90 seconds.