A growth-restricted preterm infant born after maternal preec…

A grоwth-restricted preterm infаnt bоrn аfter mаternal preeclampsia had isоlated early neutropenia that was resolving. On day 6, the infant develops temperature instability, recurrent apnea, and poor perfusion. The ANC falls again and platelets begin to decline. Which explanation deserves priority for the new blood-count pattern?