Mary Konye remained calm and stony-faced as the guilty verdict was announced to a packed court room. Naomi Oni's mother jumped from her set and appeared jubilant at the verdict.
Judge, David Radford adjourned sentence until March 7 while psychological reports are prepared and said:
In ordering these reports my judgement is that in all likelihood the case well lead to a substantial custodial sentence.'But it will not be decided until I have had these reports - I do not want Konye to misunderstand the reasons.
More top news
Queen Charlotte's and Chelsea Hospital takes Finnish inspiration to give parents baby boxes, credited with reducing infant mortality rates.
A bungling robber who left his phone at crime scene has been jailed for more than three years.
Four police officers set to face misconduct hearings after a Jury in the Henry Hicks inquest returned a narrative verdict.