I have my 1st scan on the 27th but haven't recieved the letter from the hospital yet (my midwife rang for me and got the time and date), so i dont know if theres anything i have to do for the scan, such as, do i need to take a urine sample? Do i have to drink loads and have a full bladder for the scan etc....? This is my 1st pregnancy so i'm kinda clueless
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