Frozen embryos

I had my son on my 3rd transfer and he just turned 1 last month. I am debating doing my final transfer (not until end of year or even next year). I can't leave my embryo but I am also scared of something happening due to my mom scaring me about my swollen legs during pregnancy (no pre-eclampsia). There is a risk due to my turners but my pregnancy went pretty well. And please no bashing for this but I love my son to pieces, he is my miracle but if I do have a second I really hope for a girl. I don't really know what the chances of that are since my husband's cousin is having the first girl on the family in like 4 generations. I would obviously still love the kid if I have another son. Thanks