PELVIC BONES

SacrumCoccyxInnominate Bones :• ilium,• ischium, • pubis.

TULANG PANGGUL

Normal pelvic measurement

Distansia Spinarum

Distansia Cristarum

Distansia Cristarum: 28—29 cm

Distansia Spinarum: 25—26 cm

PLANES AND DIAMETERS OF THE PELVIS

• The plane of the pelvic inlet – the superior strait.

• The plane of the pelvic outlet – the inferior strait.

• The plane of the midpelvic – the least pelvic dimensions.

• The plane of greatest pelvic dimensions.

PELVIC INLET

MIDPELVIS

PELVIC OUTLET

PELVIC SHAPES

CALDWELL-MOLOY CLASSIFICATION

PELVIC MEASSUREMENT

• Conjugata Diagonalis = 12,5—13cm

• Conjugata Vera = CD – (1,5—2cm)

• Conjugata Obstetrika = terpendek

PELVIC INLET

Hodge line

• Hodge I: imagination line drawn from promontorium to the upper border of symphisis pubis

• Hodge II: parallel with hodge I measured from lower border of symphisis

• Hodge III: parallel with hodge II, measured from spina ischiadica

• Hodge IV: parallel with hodge III, measured from coccyx tip

H I

H II

H III

H IV