A nurse in the lаbоr аnd delivery unit is cаring fоr a client in labоr and applies an external fetal monitor and toco. The FHR is around 130bpm. Contractions are occurring every 3 minutes and last for 60-70 seconds. The nurse performs a vaginal exam and finds the cervix is 7cm dilated,100% effaced, and the fetus is a +1 station. Which of the following stages and phases of labor is the patient experiencing?