Nausea

As

So my husband and I trying for a baby. We had sex 06/14 and my period is suppose to start in 7 days. I have been a little nauseous and I noticed when I drink coconut water (which I love) gives me a little nausea. I have been peeing a little more than I usually do. I never posted a question on her, help a girl out. Could this possibly be pregnancy symptoms? Is it to early to feel this way?