A huge amount of research has been done about pregnancy and what pregnant women should and should not do to have a healthy baby. We know that many doctors and parents are concerned with the biological factors, as well as the environmental effects. Pick one of these issues, and explain what considerations should be taken when making decisions on having a healthy baby.A huge amount of research has been done about pregnancy and what pregnant women should and should not do to have a healthy baby. We know that many doctors and parents are concerned with the biological factors, as well as the environmental effects. Pick one of these issues, and explain what considerations should be taken when making decisions on having a healthy baby.A huge amount of research has been done about pregnancy and what pregnant women should and should not do to have a healthy baby. We know that many doctors and parents are concerned with the biological factors, as well as the environmental effects. Pick one of these issues, and explain what considerations should be taken when making decisions on having a healthy baby.