**Question:** Which of the following sets of condition is attributed to normal physiology of puerperium?

A. Postpartum hemorrhage
B. Postpartum infection
C. Postpartum hemorrhage and postpartum infection
D. Postpartum hemorrhage, postpartum infection, and maternal mortality

**Correct Answer: C. Postpartum hemorrhage and postpartum infection**

**Core Concept:** Puerperium is the period of time following childbirth, encompassing the immediate postpartum phase and the recovery period. Normal puerperium includes physiological changes that occur in response to the stress of childbirth and adjustment to the new maternal state.

**Why the Correct Answer is Right:**

The correct answer, C, represents two of the key physiological changes that occur during the puerperium: postpartum hemorrhage and postpartum infection. Postpartum hemorrhage (PPH) is a significant concern due to its potential for maternal morbidity and mortality. It is defined as excessive bleeding after childbirth, with a hemoglobin drop of more than 15%, or a drop of 20% or more in hemoglobin levels, or a drop of 1 g/dL or more in hemoglobin levels, or a decrease in hemoglobin levels of more than two or three standard deviations from the normal range.

Postpartum infection (PPI) is another critical aspect of normal puerperium that develops due to the increased risk of infections during the postpartum phase. PPI is classified as either early-onset or late-onset infection, with early-onset occurring within 48 hours after delivery and late-onset occurring after 48 hours.

**Why Each Wrong Option is Incorrect:**

A. Postpartum hemorrhage is a life-threatening condition, not a normal aspect of puerperium.
B. Postpartum infection is also a concern, but only as part of the correct answer C, not a separate option.
D. Maternal mortality is not a normal aspect of puerperium but rather an extreme consequence of complications during childbirth or puerperium. These conditions are critical and should be dealt with immediately to ensure maternal safety.

**Clinical Pearls:**

1. Adequate care during the prenatal period and immediate postpartum care are crucial to minimize the risk of postpartum hemorrhage and infection.
2. Early recognition and prompt management of postpartum hemorrhage and infection are vital for maternal safety.
3. Adequate postpartum care includes proper wound care, adequate hydration, and appropriate monitoring of maternal vitals to detect signs of complications early.