Confused

in japan, they count a month as four weeks, so techincally we are pregnant for 10 months.....confusing too i think!!! i never get it!

proberly neither, both are just a guide.  There are lots of things that can come in to it.  It depends when you ovulated, and when conception happened.  Scans are only accurate to so many days.  If you don't want to be induced, the later date gives longer for it to happen naturally.  Talk to your midwife and work out what date fits best for you.  Remember that two weeks either side is class as full term

the scan date takes the size of the baby, cos up to about 7 weeks gestation most babies follow approximately the same growth patterns and size... after that the genetics take over and baby can be big small or otherwise. so by the scan they estimate how many weeks you are by how big baby is. also remember, that you probably didn't get pregger right around your period, they just add 7 days to your LMP date, then add 10 months to that date. go by the scan, it's probably right. And trish is right, really, it can be 2 weeks either way but they really only need to know so they know the absolute last date that they can leave you if you go overdue.

And first trimester scans are more accurate at dating than later ones, so if you have an early scan they go by that date rather than by your 20 week scan date.

Hey Nikki if you go by when you conceived then you only carry for I think 38 weeks (as a guide). For example I had my LMP on the 19th August but I didn't ovulate until the 7th of September so my due date is 38 weeks from ovulation.....according to my doctor anyway!

hehehehe, I love the ticker Lizzie! Watch out Jake!!

thanks!! we went to the aquarium on the weekend. actually Jake loved it. He stood and stared at all the fish. he was quite fascintated. we haven't been to the zoo yet, but will see how he goes with that!

Hannah was 9pounds!!! woah. well done nikki