During my ov period my bf come inside me i then had an infection. my period came but it lasted 2dys, am i preg

earlier in the year i had a miscarriage n i did a d&C. My period came back normal. I started having within a month of the surgery and i got an infection which i went to the doctor and treated, after that my second time having i got another infection my boyfriend also d inside me. I treaded that infection also. Now my period came ontime and its not normal i came for two days and i am felling some silght pains in my belly and back i am having cravings alsoand light headed at time. In the mornings i feel sck like i am going to throw up and i am waking up to get food in the middle of the nights i am pregnant?