The following complications during pregnancy increase the risk of postpaum hemorrhage (PPH), EXCEPT:
**Core Concept**
During pregnancy, several factors can increase the risk of postpartum hemorrhage (PPH), a leading cause of maternal morbidity and mortality. PPH is typically defined as excessive bleeding (usually >500 mL) after delivery, and it can be caused by uterine atony, retained placental tissue, lacerations, or coagulopathy.
**Why the Correct Answer is Right**
The correct answer is the option that does not increase the risk of PPH. To identify this, we need to consider the common risk factors for PPH, which include:
* Uterine atony (Option A): This is the most common cause of PPH, accounting for up to 80% of cases. Uterine atony occurs when the uterus fails to contract down effectively after delivery, leading to excessive bleeding.
* Retained placental tissue (Option B): This can cause PPH by continuing to bleed through the placental bed.
* Coagulopathy (Option C): This can increase the risk of PPH by impairing the body's ability to form clots and stop bleeding.
**Why Each Wrong Option is Incorrect**
**Option D:** This option is not a known risk factor for PPH. In fact, multiple gestations (twins, triplets, etc.) are often associated with increased placental mass and a lower risk of PPH.
**Clinical Pearl / High-Yield Fact**
A key risk factor for PPH is a history of previous uterine surgery, such as a cesarean delivery or uterine myomectomy. This can lead to uterine scarring and an increased risk of uterine atony.
**Correct Answer: D. Multiple gestations are not a known risk factor for postpartum hemorrhage (PPH).**