Some women are aware they are pregnant soon after the embryo implants in the uterus, and their hormones start increasing. If you're wondering, try this online pregnancy probability test. You can recognize early pregnancy clues if you know what to look for. Take a pregnancy test online to check your knowledge or improve your ability to identify early symptoms and signs of pregnancy. Use the information in this free online pregnancy test and pregnancy symptom checker to help you decide if you need to perform a home pregnancy test or consult with your doctor.