. The science and art of midwifery . llyof a-.• in overcoming the resistance of a rigid perinaeum in Btronglybuilt primiparo, but is chiefly indicated when both occiput and chinare arrested at the superior strait. With the chin anterior, the forcepsshonhl be applied under the back of the child, ami the handles raisedbo ;i- t<- bring the occipul into the hollow i4 the Bacrum. With the 4»MI OBSTETRIC SURGKKY. chin t draw the Eace into the sacrum. Where the arrest of thehead is due to stricture of the os externum or internum, the forcepswill sometimes bring the head rapidly through the cervix,
. The science and art of midwifery . llyof a-.• in overcoming the resistance of a rigid perinaeum in Btronglybuilt primiparo, but is chiefly indicated when both occiput and chinare arrested at the superior strait. With the chin anterior, the forcepsshonhl be applied under the back of the child, ami the handles raisedbo ;i- t<- bring the occipul into the hollow i4 the Bacrum. With the 4»MI OBSTETRIC SURGKKY. chin t draw the Eace into the sacrum. Where the arrest of thehead is due to stricture of the os externum or internum, the forcepswill sometimes bring the head rapidly through the cervix, when trac-tion upon the feet only serves to drag the uterus to the vulva. Instricture of the cervix, however, greal care must he exercised to avoidLaceration, as under qo circumstances are extensive ruptures of thelower uterine segmenl so apt to follow as in the forcible extraction ofthe after-coming head. Should this happen, the writer urgently. Fig. 169.—Chin arrested at symphysis. (Chailly-Honore.) counsels the immediate employment of the suture, as the dangers ofchildbed are thereby diminished, and much immediate and prospect-ive suffering are prevented. The introduction of a Large-sized catheter into the childs mouth and drawing back the perinseum have beenfound useful as temporary means of introducing air into the childslung-, where delay attends efforts at delivery. In extracting the after-coming head, the axis-traction forceps isparticularly serviceable. CHAPTEB XXI. VERSION. Cephalic version.—External method.—Combined method.— Busch.—DOutrepont.—Wright.—Hohl.— Braxton Bicks.—Podalic version.—Bipolar method.—Inter-nal version.—Neglected version.—Use of the fillet. Version, or turning, is the term employed for Hie operations bymeans of which an artificial change is effected in the presentation ofthe child. It comprises the substitution of one pole of the foetus for VERSION. 4111 the other, and
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