Toxoplasmosis can also cause miscarriage, stillbirth, and pre-term birth. In 1990, FDA issued an advisory to state and local regulatory agencies recommending that fish served raw, marinated, or partially cooked be blast-frozen. However, pregnant women should not eat raw fin fish or shellfish because, although freezing kills most parasites, it does not kill bacteria. It takes from one to six weeks for a serious case of listeriosis to develop, although flu-like symptoms may occur 12 hours after eating contaminated food. If you drink alcohol, it can hurt your baby's growth, and your baby may have physical and behavioral problems that can last for the rest of his or her life.
Children born with the most serious problems caused by alcohol have fetal alcohol syndrome.
Learn more here . According to the National Institute on Drug Abuse, when a pregnant woman uses drugs, she and her unborn child face serious health problems. During pregnancy, the drugs used by the mother can enter the baby's bloodstream. The most serious effects on the baby can be HIV infection, AIDS, prematurity, low birth weight, Sudden Infant Death Syndrome, small head size, stunted growth, poor motor skills, and behavior problems. A 1980 study by FDA found that caffeine, when fed to pregnant rats, caused birth defects and delayed skeletal development in their offspring.