Pregnant women cannot smoke *anything* without it adversely affecting the fetus.
Nobody knows what causes women to smoke marijuana while they are pregnant.
Smoking is universally harmful. More so for pregnant women.
too many.
everything
Yes, carbon monoxide poisoning can affect fertility in both men and women. In men, it can reduce sperm quality and motility, while in women, it can disrupt regular menstrual cycles and hormone production. Prolonged exposure to high levels of carbon monoxide can also increase the risk of miscarriage or complications during pregnancy.
Some women smoke when their pregnant because it relaxes them, and even though they may not realize the danger they are putting their child into, it gives them pleasure. Also, women who already have addictions can't quit, so they smoke. Women who are non-smokers may also smoke during pregnancies because when you are pregnant, your cravings are dramatically increased.
Babies will not normal.
Pregnant women should not smoke. They should also avoid places where she will be exposed to second hand smoke. If a woman is a smoker and finds she is pregnant, she could talk to a doctor about the safest ways to quit.
Most women stop after they find out if their pregnant or not but if you suspect that you may be pregnant it's best to cut back or stop until you know for sure.
Car fumes have been linked to the possibility of cancer and pregnant women having birth defects in infants. Due to carbon monoxide and other chemicals associated with cars, most car dealerships have signs posted about the possible hazards of these chemicals.
In reality, none. Pregnant women should not consume drugs, alcohol, or smoke.