just curious

tomorrow i have an appoitment at rhe womens clinic for an exam type thing (pregnancy test) and i was just wondering whats gonna happen? i mean are they gonna just check out my weight heigh and stuff like that then began the test? and am i gonna get a sonogram? and also do they tell you if you are pregnant or not right away? im just curious because this is my first time going there obvi, lol. thank you much ladies !