they are most likely addicted to cigarettes. addiction is a very hard thing to beat. they may also smoke to calm themselves down.
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.
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.
too many.
everything
The carbon monoxide in the smoke will affect both the mother and and unborn baby.
why pregnant women shouldn't smoke
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.
Because the nicotine in the cigarettes or cigars is harmfull to the developing baby.
I don't know for sure, but I have heard that some women experience this.