(NBC NEWS) - The first-ever set of all female quintuplets born in the United States were delivered in Houston last week, according to the Women's Hospital of Texas.
It was the first set of all female quintuplets since 1969 in the world.The hospital said in a statement that Danielle Busby and her husband Adam's five baby girls arrived by C-section at 28 weeks and 2 days on April 8.
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It took just four minutes for Busby to deliver Olivia Marie, Ava Lane, Hazel Grace, Parker Kate and Riley Paige, the hospital added.
More than a dozen medical personnel assisted in the delivery — and five medical teams were assembled to provide care after the babies' arrival.
"Danielle is a trooper, and her positive attitude definitely shined through the pregnancy and the delivery," said Dr. Alexander Reiter, who delivered the quintuplets with the help of more than a dozen other medical personnel.
"The baby girls did well during the delivery and are currently requiring only modest support of their breathing," added his colleague Dr. Finkowski-Rivera. "They have made a strong start in life, and we are excited to watch them grow and mature."
The new parents — who already had a three-year-old daughter called Blayke — used intrauterine insemination (IUI) for both pregnancies after struggling to conceive and said they "never imagined" what was in store for them when they set out to grow their family.
"We have had many ups and downs over the past couple of days," Danielle and Adam Busby wrote on a gofundmewebsite launched to help cover expenses. "We are in for a long road ahead."
Danielle Busby said in a YouTube video that "Riley is the feisty one that was all over my belly, always kicking and pretty much punching around with her arms and legs out," while baby Parker "is just so relaxed." Hazel "loves her hands by her face," she continued, while "Ava and Olivia were easy going at first but a day or two later they started to get feisty."
The tiny band of newborns are exceedingly rare, with the number of quintuplets and other higher order births in 2013 totaling just 66 nationwide, according to the latest figures from the National Center for Health Statistics.