im pregnant what should i do ?

i went to test in polyclinic and i am pregnant i got a referral letter from polyclinic and i need to do blood test may ik what i need to do on the first vist ? and may ik do i need to starve myself b4 doing the blood test for the first vist on kkh ? tested on pregnancy kit also two line so just wanna confirm i am pregnant right ? as i am new to all this ..