Heroin facts pertaining to pregnancy and heroin use include an increased their risk of serious pregnancy complications. These risks include poor fetal growth, premature rupture of the membranes (the bag of waters that holds the fetus breaks too soon), premature delivery and stillbirth. 

Heroin facts about withdrawal cover a wide range of symptoms that occur after stopping or dramatically lowering ones heroin use. Heroin withdrawal is caused by physical dependence. This means that a person relies on heroin to prevent symptoms of withdrawal. Over time, greater amounts of heroin become necessary to produce the same effect. The time it takes to become physically dependent varies with each individual.

In 1988, about 300,000 infants were born addicted to cocaine.

Meth is a powerful stimulant drug that increases brain activity. Short term effects, lasting up to 12 hours, include increased alertness, insomnia, hyperactivity, headache, decreased appetite, irritability, aggression, anxiety, nervousness, teeth grinding, convulsions and heart attack. Chronic abuse can lead to tooth decay, acne and skin sores (speed bumps), psychotic behavior, paranoia, hallucinations, rage, extreme violence, depression, fatal kidney and lung disorders and brain damage. Babies born to meth-using moms can be born addicted to meth and suffer birth defects, low birth weight, tremors and behavior disorders.