Peritoneum Flashcards
What are the most common male pelvis types
Android and anthropoid
What are the most common female pelvis types (white women)
Android and gynecoid
Most common pelvis types n black females
Gynecoid
Anthropoid
What pelvic type is uncommon in both sexes
Platypeloid
What is the normal female type of pelvis
Gynecoid
Describe the gynecoid pelvis
Pelvic inlet has a rounded oval shape and a wide transverse diameter
What sort of problem would a woman with a platypelloid or android pelvis encounter (masculine or funnel shaped)
Hazard to vaginal delivery of a fetus
In forensics, how is pelvis used
Determine sex
What are sex determining characteristics of pelvis
Pelvic girdle!
Why is the size of the lesser pelvis importan
It is the bony canal that the fetus passes through
How do you determine the capacity of the female pelvis for childbearing
Diameters of lesser pelvis are noted radiographically or manually examined
What is the true(obstetrical) conjugate
Minimum anteroposterior diameter of the lesser pelvis
How measure the true conjugate
From middle of sacral promontory to the posterosuperior margin (closest point) of the pubic symphysis
What does the true conjugate represent
Narrowest fixed distance through which baby head will pass
Why cant the true conjugate be measured directly during pelvic exam
Presence of the bladder
What is the diagonal conjugate
Sacral promontory with the tip of the middle finger to the inferior margin of the pubic symphysis on the examining hand —-withdraw hand and measure
Why is the diagonal conjugate helpful
Can be used to estimate true conjugate
How big should the true conjugate be
11cm or greater
Anatomical conjugate
Top of pubic symphysis to sacral promontory
True obstetric conjugate
Middle of pubic symphysis to sacral promontory
Dianagnol conjugate
Bottom of pubic symphysis to sacral promontory
Typical size of diagonal conjugate
11.5 cm
What is the narrowest part of the pelvic canal
The interspinous distance
What is the interspinous distance
The ischial spines extend toward each other