False positives??

Keana

How common are false positive pregnancy tests? Especially 16 weeks pp. I missed my period for 5 days when I decided to test, I only took one and it was positive but I’m not sure because I have absolutely no other symptoms. Which this one I immediately started throwing up and was cramping long before I found out I was pregnant. I feel completely fine right now so im questioning if I even really am. I really don’t want to be bc money is tight and I can already barely provide for my daughter 🥺