Experiencing symptoms like nausea, diarrhea, clear white discharge, lower abdominal pain on one side, breast tenderness or sharp pains, and occasional changes in taste can potentially be associated with early pregnancy. However, it is important to note that these symptoms can also be caused by other factors such as hormonal fluctuations or gastrointestinal issues. The timing of these symptoms around the 16th day after your period could align with ovulation or implantation. To confirm whether you are pregnant or not, it is recommended to take a home pregnancy test or consult with a healthcare professional for further evaluation. They will be able to provide accurate guidance based on your specific situation and may suggest additional tests if necessary.