Because of an Imperfect World

Feliciano goes off on a business trip to Italy for a month, leaving his wife, Luise at home, even though she hasn't been feeling quite right. He asks Lovino to keep an eye on her for him, which he does. None of them expected what happened, though, and Lovino has to step up. Warnings for medical talk, blood and miscarriage. Hetalia/Nyotalia cross. Human AU.