what are the effect of hormones when you smoke?

Answer 1

Smoking drastically reduces the absorbtion of hormones from contraceptive pills, increasing your chances of pregnancy. Smoking also greatly increases the chances of blood clots,

Answer 2

I don't know if it directly affects you hormones but it certainly affects your behaviour and way your body functions:
http://www.stop-smoking-updates.com/quitsmoking/cigarette-cessation/effects-of-smoking/what-smoking-really-does-to-your-bodys-health.htm

If you smoke - don't risk it and save the money. Give up... NOW!

Lorna