danielle and adam busby welcomed five girls into the world last week .
she has only held two but described the feeling as ` amazing '
born at houston 's woman 's hospital of texas the babies are healthy .
they are the first set of all-girl quintuplets born in the us and the first globally since 1969 .
team of 12 doctors helped to deliver the babies by c-section .
delivery was at 28 weeks and took the team less than four minutes .