hi does tretinoin cream cause birth defects

does tretinoin topical use cause birth defects ?
no it doesnt , as the absorped amount of this topical tretinoin medication is quite low , nevertheless it still better to be avoided regarding your skin health during pregnancy 
General advices during pregnancy : 
1. See your doctor regularly to check on your health and your pregnancy 
2. Get enough rest
3. exercise regularly
4. avoid smoking and alcohol
5. Avoid taking any medications without consulting the doctor
General advice regarding nutrition during pregnancy?
1. eat healthy foods constantly
2. Eat more vegetables and fruits and avoid fatty and oily food 
3. Avoid fast foods and processed food 
4. Drink enough water
general advices regarding skin and health during pregnancy :
1. drink water as much as you can 
2. have a healthy diet and lose weight if you are over weight
3. exercise at least 4 times a week
4. sleep early and have rest through the day ( afternoon nap )
5. keep your self healthy and dont ignore any health issue , and get treated as soon as possible 
6. avoid stress and anxiety sources 
7. avoid smoking alcohol
8. pay attention to your personal hygine , but avoid execcive showering 
9. use masks , moisters , sauna , massages and any tool that make your promote your beauty and health regularly 
10. take suppliments such as : vitamin C , vitamin A , vitamin E , zinc  ( after consulting your doctor )