Bo Yanchen stopped in his tracks. "What's wrong?"
Tang Nuanning furrowed her brows tightly, breathing hurriedly.
He was Little Eldest's biological father—he was a direct relative!
Blood transfusions between direct relatives could easily lead to transfusion-associated graft-versus-host disease, a potentially fatal adverse reaction to transfusion.
Therefore, hospitals generally wouldn't recommend close relative blood transfusions; it was too dangerous!
"Does someone need Rh-negative blood? I have it!"
Gu Shi suddenly appeared, rushing over in a flurry and then casually glanced at Tang Nuanning as if surprised,
"Why is it you all? Who had an accident?"
Tang Nuanning was so emotionally stirred she couldn't even focus on the past grievances; she quickly croaked out a question,
"Teacher Gu, you have Rh-negative blood?"