You might be able to bet a good result if you wait till the end of the week.
With my first DS I had to go to the DR. Nothing I ate "tasted" right. And I never even thought of PG as a result. I went and paid the money and he told me, well.....better plan for another mouth to feed. LOL I was like

Second DS I just was sick to my stomach all the time. Never actually threw up, but just didn't feel well.
Hope you get the BFP you're looking for!!!