Parturition Flashcards
During last 2 weeks of pregnancy, what hormone reaches its highest levels in mothers blood
Oestrogen
Oestrogen stimulates what layer of the uterine wall to form what
Myometrium to form an abundance of oxytocin receptors
As date birth nears, cells within foetus begin to produce what hormone which acts on what
Oxytocin which acts on placenta
The placenta releases what
Prostaglandins
What two hormones are powerful uterine muscle stimulants
Oxytocin and prostaglandin
Oxytocin acts as a hormonal trigger for what
Milk ejection
Increasing physical and emotional stress activates what
Hypothalamus
Activation of hypothalamus triggers what and what feedback
Post pit gland to secrete oxytocin, positive feedback
What may provoke premature births
Untimely spurts of oxytocin
An approx due date is calculated how many days after what day
280 days/40 weeks after the day on which the last menstruation commenced
