Could you be pregnant if your period only lasted and day a half it usually lasts three or four days?

Yes, it is possible that you could be pregnant if your period lasted for only a day and a half. Although periods typically last for three or four days, the length can vary from person to person and from cycle to cycle. Additionally, some women experience spotting or light bleeding during early pregnancy, which can be mistaken for a period. If you are concerned about being pregnant, it is best to take a pregnancy test or consult a healthcare provider.