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 hemorrhage.

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
Tag: cases, refs
Synonyms or Alternate Spellings:
  • Threatened abortion

Updating… Please wait.

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

 Thank you for updating your details.