Just had IVF, am i testing too soon?

I had an embryo transfer five days after egg retrieval there were police back inside me April 23 but I tested I could’ve swore I seen a couple of faint lines  pink - But maybe it’s my imagination because today I tested it and I didn’t see anything I don’t know if I’m texting too soon or how about if they didn’t do what they were supposed to do which was the main plant them selves I’m so worried so much money in this