Decidual reaction

A decidual reaction is feature seen in very early pregnancy where there is a thickening of the endometrium around the gestational sac. A thin decidual reaction of less than 2 mm is considered one of the features suggestive of an anembryonic pregnancy 2. A decidual reaction in some situations can also occur in an ectopic pregnancy 3.

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Article information

rID: 15504
System: Obstetrics
Tags: stub, cases
Synonyms or Alternate Spellings:
  • Decidual reaction in pregnancy

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