Will pregnancy tests be accurate at three weeks?

how long do you have to wait before you take a pregnancy test so it can be accurate? is it the same with blood tests?

I took a pregnancy test today that I've had for about three months. It was positive. Since I'm new to this, I was just wonder...

I have had three positive pregnancy tests, a doctor confirmed positive test.. but when I went to have my ultrasound they said...

How soon can a blood pregnancy test detect pregnancy? I heard it was like a week into conception it can detect pregnancy is t...

Ok guys so the thing is I dont know if im pregnant or not. If I am I should be 3 weeks on friday, if so shouldnt I be having ...

I am 1 month and 10 days over my period can I take a home pregnancy test today?

If I took 3 pregancy test an they came back negitive but after that my breast was hurtin an my stomach was hard at the top an...

How soon can you take a blood pregnancy test for an accurate result? Do you have to wait until the first day of your missed p...

I might be 6 weeks pregnant. I have taken multiple at home tests. They are all comming back negitive. My period is late, but ...

How long do I have to wait before I take it?