**Core Concept**
Pelvic congestion syndrome (PCS) is a medical condition characterized by chronic pelvic pain, particularly in women, attributed to abnormal venous circulation in the lower pelvis. The condition is often associated with pelvic varices, which are dilated veins.

**Why the Correct Answer is Right**
The symptoms of PCS are often exacerbated by hormonal fluctuations, particularly during the menstrual cycle. This is because the hormonal changes can cause a significant increase in blood volume, leading to increased pressure on the pelvic varices and subsequent pain. The correct answer, **Symptoms are often worse after menstruation**, accurately reflects this pathophysiological mechanism.

**Why Each Wrong Option is Incorrect**
**Option A:** PCS is indeed a recognized cause of chronic pelvic pain in women, making this statement true and not false.

**Option B:** PCS is indeed associated with lumbo-ovarian vein varices, which are a hallmark of the condition. This statement is true and not false.

**Option C:** Dyspareunia, or painful intercourse, can be a symptom of PCS, but it is not necessarily a poor prognostic indicator. In fact, the presence of dyspareunia can sometimes be a sign of a treatable underlying condition. This statement is false.

**Clinical Pearl / High-Yield Fact**
A key clinical feature of PCS is the presence of pelvic varices on imaging studies, such as ultrasound or CT scans. The presence of these varices can be a diagnostic clue for PCS and can guide treatment decisions.

**Correct Answer:**
✓ Correct Answer: D. Symptom are often worse after Menstruation