YOU SAID:
if i get pregnant i want you to be my son
INTO JAPANESE
私が妊娠したら私はあなたが私の息子になりたい
BACK INTO ENGLISH
I want you to be my son if I get pregnant
INTO JAPANESE
妊娠したら私の息子になってほしい
BACK INTO ENGLISH
I want you to become my son when you become pregnant
INTO JAPANESE
妊娠したら息子になってほしい
BACK INTO ENGLISH
I want you to be my son when I become pregnant
INTO JAPANESE
妊娠したら息子になってほしい
BACK INTO ENGLISH
I want you to be my son when I become pregnant
That didn't even make that much sense in English.