Caesarean section

A Caesarean section was a surgical procedure (also known as C-section for short) used in cases of difficult childbirth or for convenience's sake. Leonard McCoy performed an emergency C-section on a pregnant Gornfemale that Sulu stunned and nearly got bitten by the babies. (TOS video game: Star Trek, ST movie: Star Trek Into Darkness)

Tom Paris performed an emergency c-section on Tina Campanelli in the cave of Bokas III when she was injured and her baby's placenta became detached.