For what ever reasons can a woman take estrogen...

information about estrogen pills :

estrogen pills can be used for may medical uses which usually are more related to productive system and period irrgularties , and using estrogen pills to increase breast size isnt proven by medical assistment , besides the whole side effects of estrogen which mainly effect on your productive system 
- estrogen pills may increase breast size , but not for sure , because its vary from someone to another 

estrogen pills side effects :

1. nausea and vomiting 
2. stomach pain 
3. abdominal pain and discomfort 
4. weight change 
5. mood change 
6. periods irrgularties 
7. skin and hair changes 

how to increase breast size naturally :

1. have healthy regular food 
2. avoid stress and smoking 
3. exercise especially on chest area 
4. eat special for increase breast size such as : papaya , milk , soya milk , nuts and fogs 
5. using external-use only creams to increase breast size such as :
a. progestrone cream 
b. IsoSensuals Enhance Breast Enlargement Cream
c. Natureday Breast Increasing Cream
d. Bella Natural Herbal Breast Enlargement Cream