NEED ADVICE 👀

So I’m new to the whole sex scene I just lost my virginity this year in the comforts of my own home btw I’m 19 but I’m in a ldr with my boyfriend we actually met on our 1 yr anniversary but here’s the PROBLEM!!! I had my period the 5-10 of October... the last time we had sex was Oct 14 .... it’s now November 15th and I have had no sign of my period I took one test it came out negative but Idk what should be my next step ... I still waiting for it but like I said I’m new to the sex scene Sn: we used condoms but I believe it broke 🙄