What worries a lady most is a Missed Period and what they judge is that they are already pregnant this is how you can tell that you are pregnant. one is A missed period is often the first sign that you may be pregnant and at the same time it can be something else like hormonal imbalance, but how do you know for sure? by the way, Many women actually use home pregnancy tests to tell if they are pregnant; but despite all, these tests are more likely to be accurate when used at least one week that is after a woman’s last period. If you take the test less than 7 days before your last menstrual period, it may give you a false result. Just know that If the test is positive, it is more likely that you and actually you are pregnant. However, if the test is negative, there is an increased chance that the test is wrong. And also Your doctor if you have one can do a blood test to detect pregnancy sooner than a home pregnancy test can.