Stages Of Labour Flashcards
1
Q
Prelabour
A
Period which occurs few days after onset of true labour
2
Q
Events in the prelabour
A
Lightening a and shelving
Cervical ripening and softening
Increased uterine contractility
3
Q
What is lightening
A
At 36 weeks the fetus engages in the pelvis it descends from the xiphisternum
At 40 weeks = 32 weeks but at 40 flanks will be full
4
Q
Uteri’s shelving
A
Formation of lower uterine segment
Uterine falls forward and flanks are full
5
Q
What is cervical ripening
A
Alternation of collagen structure
And relative concerntratiom of metalloprotinases , proteoglycans and gsgs