Okay, let's tackle this question step by step. The user provided a scenario about a primigravida in labor, specifically in the second stage. The key points are that she's been in the second stage for an hour after full cervical dilation, the fetal skull's leading point is at +2 station, and there's a 45-degree rotation. The question is about the appropriate management.

First, I need to recall the normal duration of the second stage of labor for a primigravida. Typically, the second stage shouldn't exceed 2 hours for first-time mothers. However, the question states she's been in this stage for 1 hour. The station is +2, which is 2 cm above the ischial spines, and the rotation is 45 degrees.

Now, the options aren't listed, but the correct answer is likely related to the management of prolonged second stage. Common interventions here might include assessing for cephalopelvic disproportion (CPD), trying to assist delivery with forceps or vacuum, or proceeding to cesarean section if there's no progress.

The station being +2 suggests the head is not yet engaged, but in the second stage, the head should be engaged. Wait, station is measured relative to the ischial spines. +2 means the head is 2 cm below the spines, which is actually engaged. Wait, no, station 0 is at the spines, +2 is 2 cm below. So in the second stage, the head should be at station 0 or lower. If it's at +2, that's lower than the spines, which is good. But the rotation is 45 degrees, which might indicate a persistent occiput posterior position, making delivery difficult.

Persistent occiput posterior can lead to prolonged second stage. Management options here might include manual rotation (if possible) or using forceps. If there's no progress, cesarean section might be necessary. The duration of the second stage is also a factor. If the mother is exhausted and there's no progress, even if it's within the 2-hour limit, intervention might be needed.

So, the correct answer would likely be to perform a manual rotation or use forceps if feasible. If not, then cesarean section. The options probably include these possibilities. The incorrect options might be things like continuing observation (since 1 hour is still within the acceptable time), or unnecessary interventions like episiotomy, which isn't routinely recommended now.

Wait, the station being +2 and rotation 45 degrees suggests that the head is not in a favorable position. So, if after an hour there's no progress, the next step is to consider assisted delivery methods. If the mother is exhausted and there's no descent, then cesarean is indicated. Alternatively, if the head is at +2 and the rotation is 45, maybe there's a problem with the fetal position that can be corrected manually.

**Core Concept**
This question assesses management of prolonged second stage of labor in a primigravida. Key factors include fetal station (head position relative to ischial spines), rotation (occiput position), and duration of labor. Persistent occiput posterior position or cephalopelvic disproportion (CPD) may necessitate intervention.

**Why the Correct Answer is Right**
The

✓ Correct Answer: B. Applying low forceps