At my last mw appointment she plotted my fundal height on a chart (previously they would just measure it and not actually record it, so I assumed it was normal), and I'm at the upper end of the normal range. She said if I veer any higher out of the normal range they'll probably do a scan to make sure it's not a huge baby! I'm not overly worried, but was just wondering how accurate this measurement is? There must be other factors than just the size of the baby? I was only 5lb10oz at birth, and DH was 7lb8oz, so I wasn't expecting a big baby. Is it possible that the dates could be off and I'm actually further along? I had an early dating scan and was estimated 8 weeks; cycle was all over the place after coming off the pill so couldn't tell LMP.
Also, GTT test for diabetes was normal, so I don't think that's a factor. Any thoughts/experiences?