The series of hormonal events that leads to birth:
- Fetal cortisol stimulates the placenta to secrete estrogen.
- The high estrogen level stimulates the uterus to form oxytocin receptors.
- Prostaglandins dilate the cervix, and with oxytocin, increase the strength of uterine contractions.
- Oxytocin stimulates the placenta to secrete prostaglandins.
<h3>What hormones are involved during parturition?</h3>
The female hormones contains in parturition include:
- Estrogen: This plays a main role in uterine contractions.
- Oxytocin: It helps in the uterine contractions during parturition.
- Relaxin
Thus, the series of hormonal events that leads to birth is 2,4,3,1.
To learn more about oxytocin receptors click here:
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Answer:
Scientific method is not developed in the 1800s
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Decomposers would be found on the lowest level.
