Possibly pregnant or PMS

i known you guys aren’t doctors but did anybody feel extremely tired like the thought of standing up is draining me, light cramping, headaches nearly everyday and feeling sick whenever they eat something when they were pregnant? or is this a possibility my period is coming. I’m 10DPO and my periods suppose to be due in 5 days, We did have unprotected sex everyday for 5 days before ovulation and a day after too