Yo, listen up, I got a story to tell 'Bout the Rh factor, blood group system, so swell It's a topic that's deep, with a hidden meaning Let me break it down, so you know what I'm seeing The Rh antigen, it's a key in our blood Can be cross-matched with AHG, understood? It's a crucial step when transfusion's in play Gotta make sure it's matched, or trouble may sway (Verse 2) The Rh antigen, it can cause some strife Hemolytic Disease of the Fetus, a challenge in life Newborns affected, it's a serious concern But knowledge is power, so let's all learn And speaking of reactions, let's not forget Hemolytic Transfusion Reactions, a threat When Rh antibodies clash, causing harm We gotta be careful, keep the blood warm (Verse 3) The Rh gene, it's inherited as a haplotype Either a C or c, and E or e, that's how we cope It's all about genetics, passed down the line On chromosome number one, it's intertwined Enzymes enhance Rh, making it strong A protein, that's where it belongs On our red blood cells, doing its job Rh, the blood group system, no need to sob (Outro) So remember, Rh is more than just a letter It's a system that determines blood's better With antibodies IgG, we're protected Spread the knowledge, educate, we're connected