Two days late

I'm on day 34 when usually my cycle is 32 since the miscarriage. I had a period or what I thought a period april 10. And lately since yesterday I have felt so sick and cramping like my period was coming on Monday and very bad heartburn. Here's the thing.. I did not have sex all the month of April I had sex the end of March. I'm very confused.. Is it even possible ?  Taking a test in the morning if my period doesn't show up between now and the morning. Any ideas would be helpful !!!