Jaymin Abdulrahman has been found guilty of inflicting GBH, after police found a six-day old girl among rubbish at a block of flats in Wolverhampton.
Abdulrahman was cleared of attempted murder.
It was a unanimous verdict by the jury.
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Detectives investigating the disappearance of Madeleine McCann may apply for more Home Office funding.
A 29-year-old Frenchman - named by police as Smail Ayad - has been arrested on suspicion of murder.
Cloudier and less warm, with showery rain on Thursday.