neonaticide

neonate +‎ -cide

neonaticide (countable and uncountable, plural neonaticides)

1. The murder of a newborn within 24 hours of birth.
   • 2007 February 4, Cara Buckley, “Brooklyn Girl Threw Away Her Newborn Son, Police Say”, in New York Times‎:

     But critics of the law said mothers who immediately kill their babies after giving birth, a practice known as neonaticide, are usually in deep denial about their pregnancies.

• abortion
• filicide, infanticide, pedicide, prolicide