Spotting

Ashlee
I have had random spotting since I found out I was pregnant (7+ weeks now). It has really only been when I wipe and has ranged from brown to light pink/maybe slightly red. 
I have also been VERY constipated so dr suggested I take fiber supplement and increase my fiber intake. Well I think I overdid it cause today I had to rush home to use the bathroom (TMI sorry). When I wiped I had bright red blood with what I swear looked like a small clot. It was definitely not coming from my bottom. Since then only a lil bit of red when I wipe mixed in the my discharge but it freaked me out. 
Anyone else have bleeding/spotting and everything fine? Dr has told me if its soaking a pad & or severe cramping it's reason to worry but to me any blood is scary. 
(Had eary ultrasound and saw baby and heartbeat last week so he/she was fine then)