Misc Stuff 1.2

Question 1

What is the Significant Pelvic Diameters?

Answer 1

relevant to the passage of the fetal head through the pelvis

Question 2

diagonal conjugate

Answer 2

diameter from apex of the pubic arch to sacral promontory 12.5 cm

Question 3

what is the pubic symphysis

Answer 3

the joints that keep the 2 bones of the pelvis together

Question 4

Ischial Tuberosity

Answer 4

sitz bones - the sitting bones - marks the lateral boundary of the pelvic outlet

Question 5

Gynecoid Pelvis

Answer 5

most common, 90 degree pubic arch, fetal head engages in transverse or OA

Question 6

Platypelloid Pelvis

Answer 6

not common at all; very wide pubic arch > 90 degrees; not good for vagina birth

Question 7

Anthropoid Pelvis

Answer 7

inlet is oval; wedge shape - difficult vaginal birth. Ischial spine usually prominent

Question 8

Android Pelvis

Answer 8

pubic arch 80 degress; ischial spine are prominent; labor engage in transverse w/failure of rotation

Question 9

Midpelvis

Answer 9

is the bulk of the pelvic structure; baby has to descent & rotate to be born

Question 10

Pelvis Axis

Answer 10

axis of birth passage passes thru center of plane

Question 11

Curve of Carus

Answer 11

is the path of baby’s presenting part