Fetal death on radiographs in the queen: which signs to look for
3-year-old Domestic Shorthair queen, about 6–7 weeks after mating, that since this morning has been dull with a dark vulval discharge. Ventrodorsal abdominal radiograph (the small numbers identify each fetus):
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Which radiographic finding would indicate fetal death?
chevron_right Show answer and explanation
A. A fetus in posterior presentation
Posterior presentation is common and physiological in queens and bitches; it does not indicate death nor, on its own, dystocia.
B. A well-mineralised, large fetal skeleton
It indicates advanced gestation and may suggest fetopelvic disproportion, but says nothing about viability.
C. Gas within the fetus or uterus and overlapping skull bones
Correct. Intrafetal or intrauterine gas (putrefactive emphysema) and collapse of the skull with overlapping bones are signs of fetal death. So is an abnormal posture or a collapsed skeleton.
D. Absence of fetal movement during the exposure
Radiography is a static image and does not assess movement. For viability, use ultrasound (fetal heartbeat and heart rate).
lightbulb Key takeaway
Radiographic signs of fetal death take hours or days to appear: a normal radiograph does not guarantee viability. Ultrasound is the test for viability and fetal distress (bradycardia). A dead fetus with foul-smelling discharge and a depressed dam calls for an urgent caesarean.
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Updated: October 31, 2026 · Educational content for veterinary professionals. It does not replace current clinical guidelines or the judgement of the attending veterinarian.