ANATOMY
PELVIS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
minimum transverse
|
|
|
Bisquiaticus
|
|
|
Subsacro subpubiano
|
|
|
true conjugate
|
Detailed explanation-1: -The diameters of the outlet of the pelvis are two, antero-posterior and transverse.
Detailed explanation-2: -The three anteroposterior diameters of the pelvic inlet are the true conjugate (average diameter 11.0 cm), obstetric conjugate (average diameter 10.5 cm), and diagonal conjugate (average diameter 12.5 cm). Also shown is the anteroposterior diameter of the mid-pelvis. P: sacral promontory; Sym: symphysis pubis.
Detailed explanation-3: -The iliac bi-spinous diameter (Figure 2E) is the distance between the lateral margins of the anterior superior iliac spines (ASIS). The ASIS can be found cranially at the inguinal ligament and are the anterior limit of the superior margin of the iliac crests.
Detailed explanation-4: -Sacrocotyloid diameter (3¾-9.4 cm) is the distance between midpoint of sacral promontory and iliopectineal eminence. In flat pelvis, biparietal diameter of foetal head negotiates through this diameter.