PARTURITION. 



491 



In this presentation there are two principal positions: 



1. Left Cephalo-ilial Position. — The foetus lies on the right side, the 

 head towards the left ilium of the mother, and the croup to the right 

 ilium, 



2. Right Cephalo-ilial Position. — This is the reverse of the preceding. 



Saint-Cyr, who has mainly followed Rainard in the definition of these 

 presentations and positions of the foetus, insists on the necessity for study- 

 ing them carefully, as by so doing those Avho commence the practice of 

 obstetricy will be greatly enlightened as to the difficulties they may en- 

 counter, and the readiest and most scientific way of overcoming them ; 

 while this study will enable the skilled practitioner to describe his interest- 

 ing cases with more clearness and precision. To render what has just been 



CEPHALO-SACRAL I'OSITION OF THE FOETUS. 



stated more convenient, the following table is given, in order to show at a 

 glance the different presentations and positions. 



PRESENTATIONS AND POSITIONS OF THE FOETUS. 



r 1. 



2 

 Anterior Positions ■^ „' 



1 4: 



Posterior Positions -j ^ 



[ S. 



( 9. 

 Dorso-lumbar Positions < 10. 



111. 

 Sterno-abdominal Positions | Jg 



Vertebro-sacral. 

 Vertebro-pubic. 

 Right Vertebro-ilial. 

 Left Vertebro-ilial. 

 Lumbo-sacral. 

 Lumbo-pubic. 

 Right Lumbo-ilial. 

 Left Lumbo-ilial. 

 Right Cephalo-ilial. 

 Left Cephalo-ilial. 

 Cephalo-sacral. 

 Right Cephalo-ilial. 

 Left Cephalo-ilial. 



