Parturition

Question 1

what is parturition

Answer 1

labour, delivery, birth

Question 2

what does parturition reuire

Answer 2

dilation

Question 3

what are braxton hicks contractions

Answer 3

weak spontaneous contraction during the second to third trimester

Question 4

what is prodromal labour

Answer 4

consistent uncomfortable contractions without dilation, cervix softening under influence of relaxin, mucous plug expelled

Question 5

what are the triggers of parturition

Answer 5

high oestrogen
oxytocin
corticotrphin
inflammation

Question 6

what is oxytocin

Answer 6

powerful muscle stimulant

Question 7

what is the progression of parturition

Answer 7

contractions brgin at labour onset
driven by oxytocin secretion
stops once delivery is over

Question 8

what are breast composed of

Answer 8

mainly adipose tissue with basic duct system

Question 9

what do lactiferous ducts carry

Answer 9

secretions to the outside

Question 10

how do the breasts develop for lactation

Answer 10

elevated placental oestrogen and progesterone promote development of ducts and alveoli in mammary glands
during first months of pregnancy
prolactin - prevents lactation

Question 11

how is lactation stimulated

Answer 11

suckling

Question 12

what are the triggers that release oxytocin

Answer 12

myoepithelium to squeeze secreted milk through ducts

Question 13

what are the triggers that release prolactin

Answer 13

stimulates synthesis of enzymes for milk production by alveolar epithelial cells
stimulates secretion of more milk to replace ejected when baby nurse