Im scared pray for me I don’t know what to do

The doctor told me they suspect a ectopic pregnancy because they can’t see where the baby is growing . They have me a reg ultra sound and then they use the vaginal camera . They said my blood was low . But maybe im too early . I was only 5 week as of Friday (yesterday ) but today I’m 6 weeks . What is the difference between Friday and Monday they told me come back Monday to get more blood testing . My originally first ultra sound appointment was August 6 . I’m so stress and depressed idk what to do . The picture below is something I took off the computer I saw when the man was taking pictures