Tres hermanas.
You could say "Tres hermanas embarazadas".
"Sister" in Spanish is "hermana".Hermanahermana..or little sister is hermanita
Say: mis hermanas
las hermanas
"Sisters forever" is "hermanas para siempre".
Hermanas cariñosas.
Hermana favorita
Hermanas bellas
Three in Spanish is "tres".
You would say "Tengo tres hermanas" in Spanish.
hermanas del alma
Amo a mis hermanas.