Normal Labour

Question 1

Define True Labour

Answer 1

• onset of regular, painful contractions that increases in frequency & intensity
• associated with progressive effacement & dilatation of the cervix
• leading to descent & expulsion of the fetus.

Question 2

Define False Labour

Answer 2

• aka Braxton-Hicks contractions = irregular contractions but NOT associated with dilatation/effacement of the cervix or the descent/expulsion of the fetus

Question 3

False labor is also known as?

Answer 3

Braxton-Hicks contractions

Question 4

The bony pelvis is made up of 4 bones:

Answer 4

• sacrum
• coccyx
• 2 hip bones that comprises the ilium, ischium & pubis.

Question 5

Functions of the bony pelvis

Answer 5

• passage for childbirth
• supports the weight of the upper body when sitting.
• transmits weight to lower extremities when standing.
• provides attachment for muscles of abdomen, pelvis, lower extremities.
• protects pelvic organs

Question 6

True (lesser) Pelvis consists of:

Answer 6

• pelvic inlet
• midpelvis
• pelvic outlet

Question 7

True (lesser) pelvis is ______ the pelvic brim.

Answer 7

below

Question 8

False (greater) pelvis is _________ the pelvic brim.

Answer 8

above

Question 9

Diameters of the Pelvic inlet

Answer 9

1. Anteroposterior diameter
   - shortest distance btwn the promontory & symphysis pubis.
   = 10 - 10.5 cm
2. Transverse diameter
   - greatest distance btwn linea terminalis on either side
   = 13.5 cm
3. Rt & Lt oblique diameter
   - extends from one of the sacroiliac synchondroses to the iliopectineal eminence on the other side.