I'm really worried been for a scan I'm only 4wks but been having really bad stomach cramps I do suffer from ibs and do get stomach cramps with that they told me I could b having a ectopic pregnancy or it mite b 2 early 2 see anything but just said my notes its saying my left side of the endometrium is 7.5 and rite is 5.8 I need some advice what does this mean