<unk>  is the deliberate act of a parent murdering their own child during the first 24 hours of life. As a noun, the word<unk> " may also refer to anyone who practices or who has practiced this.<unk>  is relatively rare in developed countries, but most of these murders remain secret:<unk>  is considerably more commonly committed by mothers than fathers; infanticide is also more likely to be committed by mothers than fathers. A 1999 United States Department of Justice study concluded that between 1976 and 1997 in the United States, mothers were responsible for a higher share of children killed during infancy, while fathers were more likely to have been responsible for the murders of children age eight or older.
Neonaticide
Anthopleurin
Antimetabolite
Tuberculocide
Cephalotribe
Sulfonamide 
Steroid ester
Xanthine oxidase inhibitor