YOU SAID:

mom said it's my turn on the gender

INTO JAPANESE

お母さんはそれが性別の私の番だと言った

BACK INTO ENGLISH

Mother told me that it was my turn of sex

INTO JAPANESE

母はそれが私の性転換であると私に言った

BACK INTO ENGLISH

My mother told me that it was my sex change

INTO JAPANESE

私の母はそれが私の性転換であると私に言った

BACK INTO ENGLISH

My mother told me that it was my sex change