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Flashcards in Lecture 1 Deck (12):
1

What forms the bony pelvis?

Sacrum, coccyx and 2 hip bones

2

What forms the pelvic inlet?

Sacral promontory, ilium, superior pubic ramus, pubic symphisis

3

What forms the pelvic outlet?

Pubic symphysis. ischiopubic ramus, ischial tuberosities, sacrotuberous ligaments, coccyx

4

Pelvic cavity lies

Between pelvic inlet and pelvic floor

5

Anterior palpable pelvic landmarks

ASIS, iliac crests, pubic symphysis, pubic tubercle

6

Posterior palpable pelvic landmarks

Iliac crests, PSIS, ischial tuberosities, coccyx, sacrum

7

What foraminae do the sacrospinous and sacrotuberous ligaments form?

Greater and lesser sciatic foraminae

8

Functions of sacrotuberous and sacrospinous ligaments?

Prevent sacrum from shifting superiorly when weight is suddenly transferred vertically through vertebral column (e.g. jumping)

9

Obturator nerves and vessels pass through the obturator foramen via what?

The obturator canal

10

What is moulding in labour?

Fetal skull bones can move over one and other to allow passage of baby

11

What does the 'station' of the fetal head refer to?

Its position relative to the ischial spines. Negative number means superior to spines and positive means inferior.

12

Mvmts of foetus as it descends pelvic cavity:

Head should rotate and be in a flexed position as it descends. At the pelvic outlet head should be in an extended OA position.