Oxytocin is a hormone that causes uterine contractions

Last updated: 1/27/2024

Oxytocin is a hormone that causes uterine contractions during childbirth It is released from the anterior pituitary under the regulation of GnRH gonadotropic releasing hormone from the hypothalamus circulates to the uterus and causes uterine contraction If the baby is not ejected parturition rising estrogen levels feed back to the hypothalamus to cause the release of more GnRH which targets the anterior pituitary to release more oxytocin i e labor contractions This system is an example of negative feedback positive feedback homeostasis polyphenism ernst