Internal bleeding??

Dana
The doctor said that I have some internal bleeding. I am 11 weeks 3days. She said no heavy lifting or intercorse because it could cause me to bleed. But I had moved on Tuesday and had lifted some slightly heavy stuff. But nothing to straining. I have also had intercorse from the time I have my ultrasound. Should I be worried?!
This is also my first ultrasound at 11 weeks exact. My beautiful rainbow baby. Heart beat at 162 bpm