Blood test?

Cheyenne • Momma of two angel babies 2/1/18 👼🏻 2/3/19 & a sweet girl 12/15/19 👶🏼

How do I go about doing a blood test? Do I go to my family doctor or an OB? My insurance right now won’t cover anything from an OBGYN or pregnancy related. I always read about people going in for blood tests but hadn’t needed to before. I’m over a week late and not sure if I should go in for a blood test.... only getting negatives when I POAS