How long do you wait before taking a pregnancy test.

Wait until after you have missed your period. If you have missed your period and you get a negative result wait another 2 weeks and take another test.

A missed period is normally the first sign of pregnancy. Most tests are not very good till about 2 weeks after the missed period. False negative are very common before that. Some even happen on that date.

Always use the first urine of the morning when you awake