I had a 5 day IVF FET on 4 th Aug, when I walked out of clinic I was 2 w5d. All the calculators factoring in the FET say I am due on 22nd April 2021. The IVF clinic say 9th April,the 12 week scan says 19th April, the 20 week scan says 23rd April. The sonographers have to go by EDD put down on paperwork but they, and 2 other drs don't think the 9th is correct. I am also a diabetic so correct dates are important. I think the clinic may have made an error on my paperwork. Which do I go by? Should I ask my dr to ask I V F dr to recheck their dates?