Suggest Chances Of Chlamydia Infection

I was having sex with one guy for awhile. Stopped having sex with him and a month later had sex with my current partner. A couple of days later I was tested during a regular exam and found out I had chlamydia. My boyfriend and I wore a condom so i didn't feel the need to tell him. I got the treatment that was 5 pills all at once and then 5 days later had unprotected sex with my boyfriend. A week after that I went to get tested and it came back negative. Everything sounds good however I recently found out that the first time we had sex as I thought we were wearing a condom he admitted to the condom breaking. I am wondering if there is any chance that I passed it to him while I was being treated 5 days after and since then he passed it back to me. if that was the case then would my test results the second time come back negative like they did?