2nd time mom here and this symptom is a new one for me: fainting. Last night I got up to use the restroom before bed. On my way back to bed, I fainted twice, briefly, and probably would have fainted again had I not made it to the bed- I was fully hydrated and my stomach was full so it wasn’t an eating or drinking issue. Today I feel kind of weak like my blood pressure is low. I have my 7 week viability scan tomorrow. Should I call my doctor today or wait for the appointment tomorrow?