How far am i actually

Lucy
I tested on the 20th june the day my period was ment to start but no show, an the test come back positive, so on the 21st june i done a clear blue one an it come back that i was 2-3 weeks, i am seeing my midwife around the 10 week time, i just want to know how far i actually am to see how soon the midwife will contact me please help as its my first pregnancy