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Single Best Answer (SBA) · Molar Pregnancy and Trophoblastic Neoplasia

A 28-year-old woman with a complete hydatidiform mole is to undergo uterine evacuation. What is the most appropriate method of evacuation?

Ultrasound 'snowstorm' of a molar pregnancy

Choose one answer.

Show answer and explanation

Answer: C. Suction (vacuum) curettage

Evacuation of a hydatidiform mole

The standard method is suction (vacuum) curettage.

Why suction curettage
  • It safely and effectively removes molar tissue with controlled blood loss.
  • Prostaglandin or oxytocin induction is avoided for primary evacuation, because strong uterine contractions can embolise trophoblastic tissue into the venous system (pulmonary embolisation) and may increase the risk of needing chemotherapy. (Oxytocin may be used cautiously to control bleeding during/after suction.)
Peri-procedure care
  • Stabilise the patient; correct anaemia and coagulopathy; treat hypertension; be ready for thyroid storm.
  • Give anti-D to Rh-negative non-sensitised women.
  • Send tissue for histology to confirm complete vs partial mole.
Why the others are wrong

Induction methods risk embolisation; vigorous sharp curettage risks perforation and is not the primary technique; hysterectomy is not needed in all cases (reserved for older women who have completed their family or for complications).

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