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Spalding's sign is a sign used in obstetrics. It is named for Alfred Baker Spalding.

It is an indicator of fetal death. When fetal death has occurred loss of alignment and overriding of the bones of cranial vault occur due to shrinkage of cerebrum, abdominal sonar examination may reveal an overriding of the fetal cranial bones. Most estimates place the precise time of fetal death at about 4–7 days before overlapping and separation of the fetal skull bones appear.

References

1. THOMSON JL (February 1950). "The differential diagnosis of Spalding's sign". Br J Radiol. 23 (266): 122–4, illust. doi:10.1259/0007-1285-23-266-122. PMID 15409772.
2. synd/2946 at Who Named It?
3. A. B. Spalding. A pathogonomic sign of intra-uterine death. Surgery, Gynecology and Obstetrics, Chicago, 1922, 34: 754.
4. 00509 at CHORUS
5. The essentials of forensic medicine and toxicology. New delhi: Jaypee brothers. 2014. p. 438. ISBN 9789351525578.
6. Olds' Maternal-Newborn Nursing, 8th edition, p. 1136
7. S. A. Journal of Radiology, March 1964, OVERLAPPING OF THE FOETAL SKULL BONES IN BREECH PRESENTATION L. C. HANDLER, Department of Radiodiagnosis, Groote Schuur Hospital, Cape Town

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