The obstetrician's vademecum; or aphorisms on natural and difficult parturition; the application and use of instruments in preternatural labours; on labours complicated with hemorrhage, convulsions, etc / Considerably Augmented and arranged according to the present state of obstetricy, by Michael Ryan.
- Thomas Denman
- Date:
- 1836
Licence: Public Domain Mark
Credit: The obstetrician's vademecum; or aphorisms on natural and difficult parturition; the application and use of instruments in preternatural labours; on labours complicated with hemorrhage, convulsions, etc / Considerably Augmented and arranged according to the present state of obstetricy, by Michael Ryan. Source: Wellcome Collection.
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![PLATE III. Gives a front view of twins in utero in the beginning of labour ; the anterior parts being removed. a. 'The uterus as stretched with the mem- branes and waters. 8.B. The superior part of the os ilium. c.c. The acetabula*. p. D. The os ischium. E. The coccyx. £.F.F. The lower part of the rectum. c.G. The vagina. nu. The os internum stretched open, about a finger’s breadth, with the membranes and waters in the time of labour-pains. 1.1. The inferior part of the uterus stretched with the waters which are below the head of the child that presents. K.k. The two placentz adhering to the poste- rior part of the uterus, the two foetuses lying before them; one with its head in a proper position, at the inferior part of the uterus ; and the other situated pre- ternaturally, with the head to the fundus; the bodies of each are here entangled in their proper funis, which frequently hap- * [The bones of the pubes are removed for the purpose of de- lineating the neck and orifice of the womb, the vagina, and rec- tum during the commencement of labour. M. R.]](https://iiif.wellcomecollection.org/image/b3328653x_0238.jp2/full/800%2C/0/default.jpg)
