Every woman is different, and everyone’s pregnancy experience will be different, but some may start to notice early signs ofpregnancy like nausea or tender breast tissue as early as a week or two after conception. If you start to experience these symptoms, this is when you should take a pregnancy test. Symptoms will become more noticeable at around four-six weeks, this is when you may start to experience morning sickness and vomiting. You may also notice that you are feeling more tired and exhausted, more emotional, and you may experience strange cravings and reactions to certain foods.