You are not making these changes just for yourself, but for your baby's health. You've known for a long time that smoking contributes to high blood pressure and is harmful to your health in many other ways. But you don't want to smoke for two. Smoking moms give the growing fetus nicotine and oxygen poor blood. The risks of smoking to the fetus include stillbirths, birth defects, low birth weight, sudden infant death syndrome and cancer.
Smoking doubles the risk of ectopic pregnancy and of having a low birth weight baby.
Now is also the time for dad to cut out tobacco use. Men who smoke should work to change unhealthy behaviors before conception. Stopping smoking could make the difference between a healthy outcome and complications you don't want. You can do it. Limit Alcohol Drinking and driving don't mix and neither do drinking and pregnancy.