Sore neck aches and right between my shoulder blades, and sharp pains on top sides or back of head that last a few seconds. i'm 11 weeks pregnant!

See below: Shoulder pain could be from the shoulder or referred. Common referred sources include: abdomen, heart and neck. Shoulder sources include: arthritis, labral tears, instability, tendinitis, rotator cuff tears, bursitis, painful bony spurs etc. Shoulder blade pain can be from the neck or bursitis around the blade. Ribcage pain can be from rib joints. Its important to establish a diagnosis. See ortho.