why i cant pregnant

sha

everyone is getting pregnant after few months of trying but I am trying for more than a year.why I alone can't get pregnant 😥I am not jealous on those pregnant ladies.but I too want that feeling 😥you guys are so blessed and luck to get pregnant I wish I am so unlucky 😥😥😥😥😥 even I and my DH did physical exam everything was super perfect and every month this devil AF comes without fail😭😭 taking prenatal vitamins tablets too but nothing is helpful 😭😭only tears left with me