It will be our endeavor to cite the more seemingly reliable instances of the anomalies of the time or duration of pregnancy reported in reputable periodicals or books.
Short Pregnancies .-- Hasenet speaks of the possibility of a living birth at four months; Capuron relates the instance of Fortunio Liceti, who was said to have been born at the end of four and a half months and lived to complete his twenty-fourth year.

In the case of the Marechal de Richelieu, the Parliament of Paris decreed that an infant of five months possessed that capability of living the ordinary period of existence, i.e., the "viabilite," which the law of France requires for the establishment of inheritance.

In his seventh book Pliny gives examples of men who were born out of time.

Jonston gives instances of births at five, six, seven, and eight months.

Bonnar quotes 5 living births before the one hundred and fiftieth day; 1 of one hundred and twenty-five days; 1 of one hundred and twenty days; 1 of one hundred and thirty-three days, surviving to twenty-one months; and 1 of one hundred and thirty-five days' pregnancy surviving to eighty years.
Maisonneuve describes a case in which abortion took place at four and a half months; he found the fetus in its membranes two hours after delivery, and, on laying the membranes open, saw that it was living.