Nine days after ovulation, can you use early pregnancy test paper to measure pregnancy accurately?

Nine days after ovulation with the room can use early pregnancy test paper pregnancy is not accurate, early pregnancy test paper needs to be in the same room after 15 days to check more accurate, recommended ten days after the same room can go to the hospital to do blood hcg check, to determine whether pregnant. If you check out pregnancy to rest more, eat more vitamins and protein-rich food.