Mayer satisfies himself at least that the mother was in a trance at the time of delivery and died soon afterward.
Moritz gives the instance of a woman dying in pregnancy, undelivered, who happened to be disinterred several days after burial.

The body was in an advanced state of decomposition, and a fetus was found in the coffin.

It was supposed that the pressure of gas in the mother's body had forced the fetus from the uterus.

Ostmann speaks of a woman married five months, who was suddenly seized with rigors, headache, and vomiting.

For a week she continued to do her daily work, and in addition was ill-treated by her husband.