9 days late

Kayla • Infertility warrior for 6 years, endometriosis & PCOS fighter, Expecting our first baby boy 6/2021 💙 after 2 miscarriages 4/27/20👼🏼

So I’m 9 days late. I’ve been tracking my periods for 4 years, and they have NEVER been this late. I’ve taken 3 pregnancy test over the past 9 days, including one today, and they have all been BFN. When would you call the doctor to do blood work instead?