Pregnacy testing

tinyy

Hello I was wondering if someone can help me I had sex on the 26 and 27 I wasn’t tracking my ovulation but my app says my fertile window was from 28-5 and my predicted ovulation day is on the 5 I normally get my period on the 18 or 19 but I’ve been confused because other apps been giving me different days I should get it this month when should I test I’m to anxious to wait for my period I’ve been experiencing nauseous, bloating headaches, cramps, back pain, fatigue, night sweats,