Weird period this month

Jackie

Alright ladies I'm 38 yr old and trying to get pregnant with our second . Our son is 17 months wanna give him a little brother or sister . Anyways I started my period on the 9 th to 13 th. So had we had sex every other day tho my fertile window ovulated on the 20th . but on the 23rd I started my period again this month . I don't know maybe I'm just to old 😒😥😪