What initiates the Ferguson reflex during labor?
Pressure-induced stretching of the internal cervix or vaginal walls.
What type of feedback is the Ferguson reflex?
A positive feedback reflex.
Which part of the nervous system detects mechanical stretch in the Ferguson reflex?
Sensory neurons detect mechanical stretch.
What hormone is released due to hypothalamic stimulation in the Ferguson reflex?
Oxytocin is released.
How do oxytocin-induced contractions affect cervical pressure?
They increase cervical pressure further.
What sustains the Ferguson reflex until delivery?
A self-sustaining positive feedback loop.
How does oxytocin receptor density change during labor?
It increases dramatically in the uterus.
What triggers additional oxytocin release during labor?
Uterine contractions pushing the baby down the birth canal.
What effect does additional oxytocin have during labor?
It produces powerful involuntary contractions.
What is the fetal ejection reflex?
An involuntary process expelling the baby without active maternal pushing.
Answer 5 questions on Ferguson Reflex in Labor.
1. What effect does increased uterine oxytocin-receptor density have during labor?
2. How can uterine contractions contribute to fetal expulsion without active maternal pushing?
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