Which statement describes the expected pattern of weight loss immediately after birth?

• A. The expected weight loss immediately after birth averages about 11 to 13 pounds
• B. Return to pre pregnant weight is usually achieved by the end of the postpartum period
• C. Fluid loss from diuresis, diaphoresis, and bleeding accounts for about a 3 pound weight loss
• D. Lactation will inhibit weight loss since caloric intake must increase to support milk production

Answer: (A)

Immediately after birth, a large amount of weight is shed as the baby, placenta, and amniotic fluid leave the body, and as excess extracellular fluid from pregnancy resolves. The typical amount of weight loss in this immediate postpartum period is about 11 to 13 pounds (roughly 5 to 6 kg). This loss reflects the combined reduction from the baby and placenta plus fluid shifts that occurred during labor and pregnancy.

Diuresis and diaphoresis continue to reduce weight over the first week as extra fluid is expelled, but the initial major drop is the expected 11–13 pounds. Returning to pre-pregnant weight by the end of the postpartum period isn’t expected; many individuals take several months to regain their baseline weight. Losing only about 3 pounds in the immediate postpartum period would be less than the typical expectation. Lactation increases caloric needs but does not prevent weight loss; weight change during breastfeeding depends on overall caloric intake and energy expenditure, not a guaranteed hindrance to shedding postpartum pounds.

So the statement describing an average 11–13 pounds of weight loss immediately after birth best reflects the typical postpartum pattern.