## Core Concept
Postpartum hemorrhage (PPH) is a leading cause of maternal morbidity and mortality worldwide. The management of PPH involves the use of uterotonic agents to stimulate uterine contractions and control bleeding. Commonly used uterotonic agents include oxytocin, methylergonovine, and carboprost tromethamine.

## Why the Correct Answer is Right
is not commonly used in the management of PPH.

## Why Each Wrong Option is Incorrect
* **Option A:** is a commonly used uterotonic agent in the management of PPH.
* **Option B:** is also used in the management of PPH.
* **Option D:** is used in the management of PPH.

## Clinical Pearl / High-Yield Fact
A high-yield fact to remember is that is not typically used for PPH due to its potential to cause vasoconstriction, which could theoretically worsen the situation by reducing blood flow to the uterus.

## Correct Answer: D.