I learned about this little miracle less than three years ago. Regarding problems I used to have I ordered it without hesitation. Since then I haven't experienced any gynaecological problem, I don't even know about my period. And the money I saved! The only thing that troubled me was choosing the right size. According to the instructions I should choose the bigger one. Nevertheless, in consultation with my gynaecologist, I chose the smaller cup and it fits like a glove!