The art of midwifery reduced to principles [electronic resource] : in which, are explained the most safe and established methods of practice, in each kind of delivery; with a summary history of the art: translated from the French original, written by the late Dr. Astruc, Royal Professor of Physic at Paris, and Physician to the French King: To which, is added an appendix, by the translator; containing illustrative remarks on conception and pregnancy: and on those Particulars, taught by Dr. Astruc, which vary from the Methods adopted by the best Accoucheurs here.