Help me please..

Rabea
Ladies i am using ovulation kit(clear blue digital one) i check yeaterday and nothing i check this morning and nothing i check today around 7 pm i got this happy face indication i am ovulation...well i was happy and tried to see and it gave me just plain circle....wth..glow said it am ovulation as of today...any help please..we are trying for baby #2 after mc last june with twins...