Jacobson cites a case of vaginal lithotomy in a patient six and a half months pregnant, with normal delivery at full term.
Tiffany quotes Keelan's description of a woman of thirty-five, in the eighth month of pregnancy, from whom he removed a stone weighing 12 1/2 ounces and measuring 2 by 2 1/2 inches, with subsequent recovery and continuation of pregnancy.

Rydygier mentions a case of obstruction of the intestine during the sixth month of gestation, showing symptoms of strangulation for seven days, in which he performed abdominal section.
Recovery of the woman without abortion ensued.

The Revue de Chirurgien 1887, contains an account of a woman who suffered internal strangulation, on whom celiotomy was performed; she recovered in twenty-five days, and did not miscarry, which shows that severe injury to the intestine with operative interference does not necessarily interrupt pregnancy.

Gilmore, without inducing abortion, extirpated the kidney of a negress, aged thirty-three, for severe and constant pain.
Tiffany removed the kidney of a woman of twenty-seven, five months pregnant, without interruption of this or subsequent pregnancies.

The child was living.