Help adviced needed 2nd baby due may 10

Hi Guys,

Im new to this sort of thing so sorry if i mumble abit...

IM going to be 21 in May and i have already had a baby which is 11months old and i have just found out im pregnant again, even though we were being careful, im not sure how far gone i am, but my mum is still trying for a baby and i really dont know how to tell her and i live next door to them and we have been looking at new houses and now im going to have to tell her both things now, i dont wanna fall out with her as she is my mum and she looks after my little girl every time i work so i really stuck....

please can someone direct me in the right direction on what i could say as i was going to email her lol!

Thanks guys

K Xx