Hating my Dr

Was in the hospital for 24 hours Tuesday today Friday I was sent back to the hospital for high blood pressure was told just make it to 37 weeks and now I'm being told make it to 39 weeks and they will do something I'm 37 weeks today and my last 2 Dr appt sent me to the hospital but yet the hospital tells me make it to 39 weeks and no one can tell me why my blood pressure is high then at the hospital after a few hours it's fine