Question

Why should pregnant women refrain from smoking?

Answer 1

Women who smoke during pregnancyare more likely than other women to have a miscarriage. Smoking can cause problems with the placenta—the source of the baby's food and oxygen during pregnancy. For example, the placenta can separate from the womb too early, causing bleeding, which is dangerous to the mother and baby........

Answer 2

Answer:

the pregnant women refrain from the smoking because smoking is very dangerous for our lungs as it reduces the area of a gaseous exchange in the lungs . smoking can cause heart failure and it is also linked to cancer and can even harm the baby . it must be avoided to remain healthy always