Compression of the cord, especially if it is around the neck.

Hæmorrhage from the middle meningeal artery.

Injury to eye.

Erb’s paralysis.

Laceration of ears when the forceps are removed.

Facial paralysis from pressure of the blade.

Injury to Mothers.

Infection.

Improper application of the blades outside the cervix uteri.

Soft parts torn by too rapid extraction. When os is not dilated, it is first pulled down and then torn. The tear may extend into the vaginal vault. Fistulæ may be produced.