The commonest presentation of vesicular mole is?

NVS Staff Nurse - 2019

Obstetrics and Midwifery Nursing

Easy

Appeared in: NVS Staff Nurse - 2019

Explanation

Vaginal bleeding is the most frequent symptom that prompts a patient with a vesicular mole to seek medical care, typically during the first trimester.
The bleeding results from the breakdown of the proliferating abnormal trophoblastic tissue, which disrupts the underlying uterine blood vessels.
With the widespread use of early ultrasound and β-hCG testing, most molar pregnancies are diagnosed early (around 9 weeks), often following an initial complaint of vaginal bleeding.

Option A: While severe vomiting (hyperemesis gravidarum) can be a feature of molar pregnancy due to extremely high β-hCG levels, it is not the most common presenting complaint compared to vaginal bleeding.
Option B: Abdominal pain is not the primary or most common presenting symptom. It is usually secondary to rapid uterine enlargement or the presence of large theca-lutein cysts.
Option C: This is a classic, pathognomonic sign of a hydatidiform mole, but it is an uncommon and often late presentation. It is not the 'commonest' way the condition presents.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Clinical presentation of hydatidiform mole (vesicular mole) as background academic context rather than a clinical decision trigger.
Nurses must be vigilant for signs of molar pregnancy in any patient with first-trimester bleeding, especially if the uterus seems larger than expected for gestational dates or if β-hCG levels are excessively high.
Key nursing actions include monitoring for hemorrhage, preparing for potential suction curettage (the standard treatment), administering Rho(D) immune globulin to Rh-negative patients, and providing emotional support for the pregnancy loss.
Post-evacuation care is critical. Nurses are responsible for educating the patient about the importance of serial β-hCG monitoring to ensure the levels return to normal and to detect persistent gestational trophoblastic neoplasia (GTN).

How to Approach the Question

First, identify the keywords in the question: 'commonest presentation' and 'vesicular mole'. This directs you to find the most frequent symptom, not necessarily the most unique or definitive one.
Consider the pathophysiology of a vesicular mole: it involves abnormal, rapid growth of placental tissue. This abnormal tissue is prone to breaking down and bleeding.
Evaluate each option in the context of 'commonest'.
Vomiting can be severe but is a common symptom in normal pregnancies too. While it can be exaggerated in molar pregnancy, it's not the most frequent initial complaint.
Abdominal pain is a non-specific symptom that can have many causes.
Expulsion of vesicles is a 'textbook' sign but is known to be rare in clinical practice.

Concept Tested & Keywords

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E6 Gynecology Williams p. 361-429

E6 Pathology- ROBBINS & COTRAN PATHOLOGIC BASIS OF DISEASE 10TH Ed p. 1033-1035