Learn how oxytocin stimulates uterine contractions and supports cervical dilation during labor. Understand why other hormones like estrogen and prolactin do not initiate contractions.

Endocrine System HESI A2 Practice Questions

Free Endocrine System practice questions for the HESI A2 exam with detailed rationales.

Question 2 of 2

Which hormone stimulates uterine contractions during labor?

Estrogen

Progesterone

Oxytocin

Prolactin

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