## **Core Concept**
The question revolves around the management of a primigravida at term in labor with a transverse lie and a cervical dilatation of 6cm, with the fetal membranes still intact. This scenario presents a complication in labor due to the abnormal fetal lie.

## **Why the Correct Answer is Right**
In a primigravida (a woman pregnant for the first time) at term with a transverse lie and cervical dilatation of 6cm, the situation indicates obstructed labor due to the abnormal fetal lie. The transverse lie at term is not a normal occurrence and usually indicates an issue with the uterine cavity or the fetus. Given that the membranes are intact, the priority is to deliver the baby safely. **Cesarean section** is often the safest and most appropriate method for delivery in such cases, especially when the fetal lie is transverse and there is significant cervical dilatation without progress in labor.

## **Why Each Wrong Option is Incorrect**
- **Option A:** This option is not provided, so we proceed with the understanding that the correct answer is compared against other choices not listed.
- **Option B:** If this option suggests expectant management or continued labor without intervention, it would be incorrect because a transverse lie at term with significant cervical dilatation usually necessitates intervention to prevent complications such as uterine rupture or fetal distress.
- **Option C:** If this option suggests a vaginal delivery, it would be incorrect because a transverse lie at term often precludes a safe vaginal delivery, especially if there's no progress in labor and the membranes are intact.
- **Option D:** If this option suggests another intervention not aligned with immediate delivery (like a different surgical or medical intervention), it would be incorrect if it does not directly address the need for prompt delivery.

## **Clinical Pearl / High-Yield Fact**
A key point to remember is that a **transverse lie at term** is often associated with **placenta previa** or **uterine anomalies**. In labor, if a transverse lie is encountered with significant cervical dilatation, prompt assessment for complications and consideration for **cesarean delivery** is crucial to prevent adverse outcomes.

## **Correct Answer:** . **Cesarean section**