To make matters worse, the study published in the medical journal Lancet said there is growing evidence that second-hand smoke is also a risk for prospective mothers.
Smoking restricts the growth of the fetus in the womb. According to Medical News Today, with each cigarette a pregnant woman smokes, the blood flow through the placenta is reduced for about 15 minutes, causing the baby's heart rate to increase.
Babies who survive their mothers' smoke have smaller airways, with 20% less airflow through their breathing tubes.
Jonathan Chetland, an anti-smoking expert in England said, "We know of the harmful effects of smoking on the fetus because of the direct exposure to toxins when cigarette smoke is inhaled by the mother. By stopping smoking the risk of having a stillbirth can be significantly reduced."
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