First symptoms of pregnancy and in how much days we know about it?

Varies: Some women begin having bloating, breast tenderness, nausea, urinary frequency, or other signs or symptoms of pregnancy within a few days of conception. Some women do not have any particular signs or symptoms of pregnancy for several weeks after conception. A pregnancy test will be positive by the time the period is due - so that is a good time to take a pregnancy test.

Missed period: If you miss your period the check a home pregnancy test. This is the simplest, fastest and a very accurate way of detecting pregnancy