Help!!

Ali 👶🏾👶🏽🌈👼🏽

Hi I recently had a baby 6 months ago I am 36 years old I don’t want to wait much longer I have been trying to get pregnant again right away I get my period regularly I have been using ovulation kits and baby dance practically through my fertile window for some reason I am not getting pregnant can someone help me and why am I struggling with conceiving number 3