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Pelvimetry is the measurement of the female pelvis, which can theoretically identify cephalo-pelvic disproportion, but clinical evidence suggests that it is not useful or safe. Learn about the components, history, and methods of pelvimetry, such as clinical, radiographic, and MRI examinations.
Learn about the causes, symptoms, diagnosis and treatment of pubic symphysis diastasis, a rare condition of separation of the pubic bones. Find out how pregnancy, delivery, trauma and hormones can affect this pathology.
The ischial spine is a triangular eminence on the posterior border of the ischium bone of the pelvis. It is related to the gemellus superior, coccygeus, levator ani, and pudendal nerve muscles, and can be used as a landmark for pudendal anesthesia.
The pelvic brim is the edge of the pelvic inlet, an approximately butterfly-shaped line passing through the sacrum, the arcuate and pectineal lines, and the pubic symphysis. It divides the pelvic cavity into the false and true pelvis, and may be a site of compression of structures that pass through the pelvic inlet.
Obturator foramen is a large opening of the bony pelvis formed by the pubis and ischium. It is mostly closed by the obturator membrane except for a small opening, the obturator canal, through which the obturator nerve and vessels pass.
Linea terminalis is the pelvic brim, the edge of the pelvic inlet. It consists of the pubic crest, pectineal line, arcuate line, sacral ala, and sacral promontory.
The pelvic cavity is a body cavity that is bounded by the bones of the pelvis. Its oblique roof is the pelvic inlet (the superior opening of the pelvis). Its lower boundary is the pelvic floor. The pelvic cavity primarily contains the reproductive organs, urinary bladder, distal ureters, proximal urethra, terminal sigmoid colon, rectum, and ...
A bimanual exam is part of a pelvic examination, which is the physical examination of the female pelvic organs. Learn about the purpose, procedure, and guidelines of the bimanual exam, as well as how to prepare and communicate with the patient.