Which of the following condition is associated with radiological 'Spalding sign'?

Spalding sign' is a sign of maceration. Loss of alignment and overriding of the bones of the cranial vault occur due to shrinkage of the cerebrum can be seen in X-ray after death of the foetus. The sign will develop earlier with a veex presentation than with a breech. It may be detected within a few days of death of the foetus. Signs of dead bih other than maceration are rigor mois at delivery and mummification. Ref: The Essentials of Forensic Medicine and Toxicology by KS Narayan Reddy, 27th edition, Page 382-383.