Trying for a baby girl

I have two boys and I really want to try for a girl does any one have tips to increase the chance of conceiving a baby girl? My period is very irregular and now it stopped for a while for some odd reason and no I’m not pregnant. My son is 9 months now and I still haven’t got my period back yet but I really want to try for a girl sometime the end of the year well hoping actually please share some tips what works for you, thank you much appreciated hope you beautiful girls have a wonderful day or night ❤️