might be prego???????

my period comes 21 days last month it came Mar. 8 it runs 7 days
this month it came a week early april 1. which i the 18 day if i counted right.
anyway had sex a couple of days before the 16 of april which my boyfriend well u know
then i ovulated on the 16 of april could i be prego. cause my period was due the 21 , 22, or the 23 niow its the 26 and still no period i want to know if i truly missed it or did i count my days wrong? its either 21 or 18 days my perod came on. i think 18 cause it came a week early

[ConnieG]

you should test.  If you are a couple days late then a test should be accurate.  If it is negative, wait a week and if AF doesn't come test again.  I would call my doctor if I was a week late and still was getting a negative test.