Threatened miscarriage

Dr Craig Hacking and A.Prof Frank Gaillard et al.

Threatened miscarriage (or threatened abortion) is mainly a clinical term, used when a pregnant woman in first 20 weeks of gestation presents with spotting, mild abdominal pain and contractions, with a closed cervical os

It occurs in 20-25% of pregnancies and is associated with an increased rate of fetal loss (15-50%, compared to 2-7%).

Cervix is closed, and there is a live intrauterine gestation.

In many cases, the ultrasound will be either completely normal, or with a subchorionic haemorrhage.

Some features suggestive of a poor outcome:

Threatened miscarriage can go on to become any of:

Share article

Article information

rID: 2174
System: Obstetrics
Section: Gamuts
Tags: cases, refs
Synonyms or Alternate Spellings:
  • Threatened abortion

Support Radiopaedia and see fewer ads

Updating… Please wait.

Alert accept

Error Unable to process the form. Check for errors and try again.

Alert accept Thank you for updating your details.