<unk>  can be highly effective in relieving pain, but there are significant side effects. These include dysesthesia (abnormal sensation), urinary retention and (for bilateral cervical<unk>  apnea during sleep (acquired central hypoventilation syndrome) caused by inadvertent division of the reticulospinal tracts.
Cordotomy
Cordectomy
Omphalotomy
Precipitate delivery
Trial of labour
Labor induction
Caesarean section
External cephalic version