Here in these session we will get information of pelvimetry.

1. Pelvimetry

2. Pelvimetry
The Pelvimetry gives the
information of the measurement of
the female pelvis where to find
where the pelvis cavity is capable
for natural process of birth or not.

3. Purpose: Cephalopelvic disproportion to
allow the foetus to pass through the birth
canal

4. P’s in labour Anatomy
 Passenger- The Foetus.
 Passage way – The child birth canal.
 Power of the labour- Force of the uterine contraction.

5. Bony Pelvis
False Pelvis
Pelvis
Organs
Bones
below the
pelvic brim
True Pelvis
Above the
pelvic brim

6. PELVIC ANATOMY

7. PELVIC ANATOMY

8. Pelvimetry Measurements

9. Pelvimetry Measurements

• Transverse diameter of pelvic inlet: The illeopectineal lines
at the widest transverse distance. Normal Range( 13 to 14.5) cm.

10. Pelvimetry Measurements
 Interspinous distance: The line between the closest
bony points of the ischial spines. Normal Range (9.5 to
11.5)cm.

11. Pelvimetry Measurements
 Intertuberous diameter: The closest bony points of the ischial
tuberosities. Normal Range (10 to 12)cm.

12. Pelvimetry Measurements

13. Pelvimetry Measurements
 Sagittal pelvic outlet diameter: The bony points of sacro
coccygeal joint and the pubic bone next to the symphysis
pubis . Normal Range (9.5 to 11.5)cm.
 Intertuberous diameter: The closest bony points of the
ischial tuberosities. Normal Range (10 to 12)cm.

14. Pelvimetry Measurements
 Sagittal pelvic outlet diameter: The bony points of sacro
coccygeal joint and the pubic bone next to the symphysis
pubis . Normal Range (9.5 to 11.5)cm.
Obstetric Conjugate of pelvic inlet: The line between the closest
bony points of the sacral promontory and pubic bone next to
symphysis. Normal Range (10 to 12)cm.

16. Types of Pelvic Brim…