Anterior low lying placenta during 12 weeks.

jasmine

My ultrasound report from 12 weeks 1 day says,

“The placenta is anterior. It’s inferior limit is located 18mm superior to the internal os. It has a homogeneous echo pattern. There is no retroplacental collection.”

Does this mean the placenta is low lying? Is this to worry about? I have a doc’s appointment after 3 days. If anybody else has gone through something similar, please guide.