Pregnant with DC3 and I constantly feel like I have eaten a 10 course meal! Obviously it may be like childbirth itself in that I have actually forgotten with the other 2 but I am sure I didn't feel like this so early on :(
I am already trying not to make it obvious at work it's an effort to get out of my chair and No3 not due until April.
I feel like my groin is already so puffed up too (how it gets at the end when the baby is big and head down), although my tummy is still at the squidgy stage and the last 2 babies were not big - 6lb and 7lb (so fingers crossed there isn't a 10 pounder in there !! 
Have I got rose tinted/forgetful glasses about what it's like to be 6 months pregnant or am I just going to be HUGE this time ??