I dont want to be pregnant anymore

I have been trying for a baby for a few months and just today my sis annonces shes pregnant because all my sisters have had bad luck with men and different baby dads this was not a happy thing everybody was mad and dissapointed. This makes me not want to have a baby now cause i feel like her having another baby right after my other sisters would make the whole family think ima fuck up like them, all i eber here is dont be like your susters, im the you gest but i have great dude but now i just dont know and ion feel comfortable having a baby the same time as my big sister if i did get pregnant she just ruined it for me shes 28 im 19 ik i shouldnt care what anyone thinks but my famy is gery judgemental i wNted my news to be happy news when it happened not o not again news