Number of pregnant females aged 15 to 44 years reporting not using any illicit drugs in the past month (30 days)
Number of pregnant females aged 15-44 years
Illicit drugs are defined as marijuana or hashish, cocaine (including crack), inhalants, hallucinogens (including PCP and LSD), heroin, and nonmedical use of psychotherapeutics. To ensure adequate precision of estimates for pregnant women, estimates are based on combined data from two years.
From the 2007-08 National Survey on Drug Use and Health:
[The following question is asked separately for each illicit drug: marijuana or hashish, cocaine, "crack," heroin, hallucinogens, and inhalants:]
How long has it been since you last used [marijuana or hashish, cocaine, "crack," heroin, hallucinogens, inhalants]?
Marijuana or Hashish
[The following questions are asked separately for nonmedical use of analgesics (prescription pain killers), tranquilizers, stimulants, and sedatives:]
How long has it been since you last used (a pain killer, tranquilizers, stimulants, sedatives) that was not prescribed for you, or that you took only for the experience or feeling it caused?
Are you currently pregnant?
How many months pregnant are you?
Number of months pregnant _____