i have used heroine for 6 yrs. i have been clean 10 wks, for the last 4 yrs i only had a period maybe once or twice a year and they were very light. last week i think i had my first real period as it was very heavey i just wanted to know if my fertility will be permanetly effected or in time will it return? im 28 yrs old i have a 7 yr old and one day would like another, will that be possible if i stay clean? thanks