Some calculations of the number of accidents or deaths which happen in consequence of parturition : and of the proportions of male to female children, as well as of twins, monstrous productions, and children that are dead-born : taken from the Midwifery Reports of the Westminster General Dispensary : with an attempt to ascertain the chance of life at different periods, from infancy to twenty-six years of age, and likewise the proportion of natives to the rest of the inhabitants of London : in a letter to Samuel Foart Simmons, M.D. F.R.S. / by Robert Bland.

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Some calculations of the number of accidents or deaths which happen in consequence of parturition : and of the proportions of male to female children, as well as of twins, monstrous productions, and children that are dead-born : taken from the Midwifery Reports of the Westminster General Dispensary : with an attempt to ascertain the chance of life at different periods, from infancy to twenty-six years of age, and likewise the proportion of natives to the rest of the inhabitants of London : in a letter to Samuel Foart Simmons, M.D. F.R.S. / by Robert Bland. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.