Complete hydatidiform mole
ICD-10 O01 · ICD-11 JA02.0

Complete hydatidiform mole when initial uterine removal has not normalised hCG within 56 days

This protocol applies when a complete molar pregnancy has already undergone initial uterine removal, yet human chorionic gonadotrophin (hCG) has not reverted to normal within 56 days of the pregnancy event — the threshold that signals persistent disease and the need for further management.

Prior treatment — escalation trigger

The initial intervention — suction curettage for uterine removal of the complete molar pregnancy — did not achieve its primary goal: reversion of hCG to normal within 56 days of the pregnancy event. This unmet endpoint is the clinical trigger for the next management step described here.

Next-step management (partial overview)

Subsequent management centres on urgent surgical intervention, with specific adjunct measures that may be considered to reduce the risk of hysterectomy in women who wish to preserve fertility — the full protocol details the selection criteria, sequencing, and role of each approach.

References
DOI: 10.1111/1471-0528.16266
  • There is almost always a role for urgent surgical management for the woman who is experiencing heavy or persistent vaginal bleeding causing acute haemodynamic compromise, particularly in the presence of retained pregnancy tissue on ultrasound.
  • Women with persistent heavy vaginal bleeding and evidence of retained pregnancy tissue on ultrasound examination may need a repeat surgical removal.
  • Consideration should be given to balloon tamponade and to uterine artery embolisation to reduce the risk of hysterectomy for women who wish to preserve fertility.
  • Several case series have found there may be a role for second removal in selected cases when the hCG is less than 5000 units/l.
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