I think it is because of a varicose ulcer, might not be right though
The answer is to the question is DSM-5
Smoking during pregnancy can cause a baby to be born too early or to havelow birth weight—making it more likely the baby will be sick and have to stay in the hospital longer. A few babies may even die. Smoking during and after pregnancy is a risk factor ofSudden Infant Death Syndrome
The answer i believe it is would be spiritual