Pelvis 2

MPS 102 Bones and diameters of the pelvis

Usual female Usually roomy Usual male Flattened, often by disease e.g.ricketts

Normal female pelvis

Innominate bone Superior pubic ramus

Pelvic outlet http://courses.missouristate.edu/emh420f/Unit_6/

Transverse 13 cm Anteroposterior 11cm Oblique 12 cm Pelvic brim diameters Sacrum Symphysis Pubis

Diameters of pelvic cavity All 12 cm

Diameters of pelvic outlet Oblique 12cm Transverse 11 cm Anteroposterior 13cm

0 ° 15 ° 30 ° 60 ° 90 ° Pelvic Planes Curve of Carus

Sacral promontory Wing or ala of sacrum Sacroiliac joint Iliopectineal line Iliopectineal eminence Upper inner border of superior pubic ramus Upper inner border of pubis Symphysis pubis

Pelvic outlet with fetal head. http://www.mdevidence.com/imagesthumbs/2574T.jpg

References
Henderson, C., MacDonald. S. (2006). Mayes’ textbook for midwives (13 th Ed) London: Books for Midwives.
Varney, H., Kriebs, J. M., Gegor, C L. (2004) . Varney’s midwifery. Washington: Jones and Bartlett.

Pelvis 2

by Carolyn m on Nov 07, 2011

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