hunny wen i got preggers with my son i was so scared but it did turn out oki,my sons dad isnt in the picture finacually or litrully there,the fears you have are so normal,i dremnt for sum time how i wontid things be different with me n the dad but at end day hun parents arnt always the best all round as they wud b unsaportive as ya mums prob trying get ova the shock still that her daughter is up teh duff,im 23 as well and trust your not alone i feel my parents belive im still a child,but everything will work out fine ull see your mum and dad will be grat grandpernats wen baby arrived,they say a baby brings loved ones closer,
good luck