Help please

Melanie

So I got my implanon birth control out in January, had a period the first week of February, ovulated on February 14th 2021, unprotected sex almost every other day since I got it taken out and here we are 4 days late for my period to start and I took a pg test today and it was negative. When is the right time I should take a test?? We’re trying for baby but getting negatives. Yes, we’re just starting but this is the first planned pregnancy we’re trying but with my last two boys it took no time at all. I think I’m just overly anxious cause my body does feel different, having certain symptoms to believe I am but have yet to get a positive result.