trying for a baby 👶🏻

Ra
Hi everyone !! My husband and I are trying to have a baby after 3 miscarriage it been really hard for us those passed years so can anyone help me to know when I can do  pregnancy test after ovulation day since I ovulat on the 7th of this month cuz I did  ultrasound and it showed that I am ....
Have many symptoms but that what happened last cycle & I wasn't pregnant ???