Infants who have been exposed to smoked cocaine, or crack, during pregnancy typically show a wide spectrum of symptoms after birth, although it is not uncommon for some infants to be asymptomatic, says the National Institute on Drug Abuse.
What Are the Treatments for Babies Born Addicted to Crack Cocaine? | LIVESTRONG.COM
Babies born to mothers who use cocaine during pregnancy are often prematurely delivered, have low birth weights and smaller head circumferences, and are shorter in length than babies born to mothers who do not use cocaine.26,29,30 Dire predictions of reduced intelligence and social skills in babies born to mothers who used crack cocaine while pregnant during the 1980s—so-called "crack babies"—were grossly exaggerated. However, the fact that most of these children do not show serious overt deficits should not be overinterpreted to indicate that there is no cause for concern.
https://www.drugabuse.gov/publicati...cocaine/what-are-effects-maternal-cocaine-use
During the 80's and 90's, the nation's health specialists panicked over the growing number of so-called "crack babies" — children exposed to crack cocaine in utero. These children were said to be doomed to lives of physical and mental disability. But, 20 years later, many of the children who were perceived to be "at-risk" are proving the predictions wrong as young adults.
Crack Babies: Twenty Years Later : NPR