IUD & Your Period

Renee • 23. Mommy & Straight & In A Relationship
Questions: 
Why did you get an iud ? 
How was your period before your iud? How long was it and what was your flow like? 
Also how did it change after your iud ? 
I'm asking because I got an iud for two reason to help lighten m period cause I'm anemic and also to prevent pregnancy until I'm ready for a second child. My period before was heavy and usually lasted 7-8 days now it's lighter but it seems to last 0 days or longer wondering if I should be concerned ...