Hey, does any one have any advice for me, it will be greatly appreciated. I am 35 and my iron has always been low and I've always ended up having blood transfusion and iron infusions. I had an ultrasound because they felt it was due to heavy periods. In the ultrasound they said my lining was thick and measured 20mm. My period has always come on time, it's heavy the first few days but I just thought that was normal. I'm really worried now, what does this mean? She said that the doctor may now suggest having a camera inside me but didn't tell me much. Could it be cancerous?