There is a long list of ways in which smoking while pregnant can adversely affect a fetus. Cleft palate and cleft lip are examples. Now, after conducting experiments in animals in the laboratory, some researchers have suggested that smoking can affect second generation animals, which would be like grandchildren in humans. Their findings indicate that the adverse effects of smoking may be more long-term than typically thought.
Read original article at- https://news.fiu.edu/2020/can-a-pregnant-woman-who-smokes-be-hurting-her-future-grandchildren