article_snippet.sent: The investigation began Wednesday when the 4-month-old infant of the 17-year-old was taken to Sunrise Hospital and Medical Center in suburban North Las Vegas, authorities said.
article_snippet.sent: Police arrested the teen mother on one count of child abuse with substantial bodily harm.
article_snippet.sent: Police department spokesman Aaron Patty told CNN affiliate KVVU that the 4-month-old infant of the 17-year-old did not receive the proper care and nourishment that a young girl who may have been dead for weeks needed at the time, which is what led to the arrest of the 17-year-old.
article_snippet.sent: the teen mother was then arrested on one count of child abuse with death in connection with the teen mother younger sister's death, according to a police statement.
article_snippet.sent: No Amber Alert was issued, according to police, because the 4-month-old did not die.
article_snippet.sent: The 4-month-old infant was last reported to be hospitalized in critical condition.
article_snippet.sent: The 4-month-old infant mother's name was not disclosed.
highlights_snippet.sent: 17-year-old sibling is held in case .