19. KYPHOTIC PELVIS:
SACRUM
U P P E R PART:
TILTED BACKWARD
LOWER PART:
NARROW & STRAIGHT
ANTROPOSTERIOR DIAMETER:
INCREASED AT INLET
DECREASED AT OUTLET
25. NAEGELE'S PELVIS
DUE TO ARRE STED DEVELOPMENT
OF ONE ALA OF SACRUM.
PELVIS IS CONTRACTED AT ALL
LEVELS & MORE MARKED IN OUTLET.
ILIO PECTINEAL LINE:
STRAIGHT ON AFFECTED
SIDE.
38. THE DIFFERENCE IN MECHANISM OF
LABOUR IN CONTRACTED PELVIS FROM
NORMAL PELVIS IS THAT:
THE HEAD REMAINS DEFLEXED &
TtfE ENGAGEMENT IS DELAYED.
ONCE THE HEAD NEGOTIATES THE
BRIM THERE IS NO DIFFICULTY IN TtfE
CAVITY & OUTLET. THEN THE NORMAL
MEHANISM OF LABOUR FOLLOWS.
39. MANAGEMENT OF CONTRACTED
PELVIS
IN MINOR DEGREE
VAGINAL DELIVERY AT TERM.
IN MODERATE SEVERE
INDUCTION OF LABOUR.
ELECTIVE CS AT TERM.