A textbook of obstetrics . d from each other are found. If thecrests are no further, or even less, separated from each otherthan the spines, points five centimeters back of the latter are arbi-trarily selected as the sites of the crests. The posterior superiorspinous processes are often marked by distinct dimples on thewomans back. The internal measurement of Lohlein is madeby the fingers in the vagina. If all these measurements aremuch less than normal, a lateral contraction of the pelvis maybe assumed, and the degree of contraction is roughly estimatedby the amount of decrease in the measure
A textbook of obstetrics . d from each other are found. If thecrests are no further, or even less, separated from each otherthan the spines, points five centimeters back of the latter are arbi-trarily selected as the sites of the crests. The posterior superiorspinous processes are often marked by distinct dimples on thewomans back. The internal measurement of Lohlein is madeby the fingers in the vagina. If all these measurements aremuch less than normal, a lateral contraction of the pelvis maybe assumed, and the degree of contraction is roughly estimatedby the amount of decrease in the measurements, although therelation between these measurements and the distance sought is 1 Wellenbergh was the first to employ this principle in pelvimetry Hispelvimetei was improved upon by van rluevel, and in recent times by Skutsch andby Bullitt (Deutsche med. Wochen . No. 13, 1890; Amer. Jour. Obstetrics, I893 ; Millei s I I and Inn 11 <ler Gebuitshtllfe, vol. ii, pp, 25 5, 260, 26l). ANOMALIES IX THE FORCES Of LABOR. 42 I. ; Fi<*. 279.—Skutschs method of measuring the conjugate diameter.
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Keywords: ., bookcentury1800, bookdecade1890, bookidtex, booksubjectobstetrics
