What Causes Inconsistencies In Menstruation?

my period did not come all of January then on the 1st of feb. i bleed til the 3rd and while i bleed i had a sore throat to where it hurted when i swallowed then when the bleeding stop so did my sore throat i called planned parenthood they told me to come in , in 2 weeks to take a pregnancy test is it possible that i can be pregnant i had unprotected sex 2 in January and the 3rd time the condom broke and my partner ejaculated inside me .