Most people know the most reliable sign of pregnancy is a missed period, but there are a wide range of symptoms that can occur very early on.
While every pregnancy is different, there are some less obvious signs that mothers-to-be experience. However, as many of these are similar to those you may get while pre-menstrual or during your period, it can be tough to work out what your body is actually telling you.
The best way to find out is to take a pregnancy test. The NHS says a positive pregnancy test result is almost certainly correct, as long as you have followed the instructions correctly.