Pennsylvania Hospital Welcomes Three Sets of Triplets in Three Days, Setting New Record

West Penn Hospital in Pittsburgh made history in late May 2024 when three sets of triplets were born within just three days — a first in the hospital's history, according to NBC Washington. All nine babies ended up sharing space in the same Level 3 NICU, the unit designed to care for the most fragile newborns.
What makes the record even more striking: two of the three sets were conceived spontaneously, without any fertility drugs or treatment. The odds of a spontaneous triplet pregnancy are roughly 1 in 9,000 — making the back-to-back occurrence at a single hospital in a single week almost unimaginable, according to NBC Miami.
The births began Tuesday, May 21, 2024, when Samantha and Jacob Murphy delivered the first set. Mallory and Corri Quinn followed on Wednesday, May 22. Amber and Justin Harden completed the trio on Friday, May 24, according to NBC Bay Area. All three deliveries happened at West Penn, part of the Allegheny Health Network (AHN).
West Penn typically sees one or two sets of triplets per year. Having three sets in four days was a 300% spike over the yearly average in less than a week. The hospital activated surge staffing to handle nine high-needs infants at once without disrupting care for other babies already in the NICU.
The Harden and Murphy triplets were both conceived without fertility treatment. That is rare on its own — roughly a 1 in 9,000 chance for any single pregnancy. But having two spontaneous triplet births at the same hospital in the same week pushes the combined odds to an estimated 1 in 81 million, according to an AHN statistical analysis.
By contrast, the rise in multiple births over the past 30 years is mostly linked to in vitro fertilization and other assisted reproductive technologies. The Murphy and Harden pregnancies bucked that trend entirely. Fertility experts called the statistical clustering "mind-boggling."
For Mallory and Corri Quinn, the birth of their triplets was the end of a five-year struggle to become parents. "It has been a long road, but seeing all three of them here is the ultimate blessing," Mallory Quinn said, according to NBC Connecticut. The Quinns called their babies' arrival a dream come true.
Their story drew the most attention online, going viral on TikTok and Instagram. Many users focused on the "miracle" angle — a couple who waited years finally holding three babies at once. Their triplets were conceived with fertility assistance, unlike those of the Hardens and Murphys.
Triplet pregnancies are always classified as high-risk. Most triplets are born around 34 weeks — well short of the normal 40-week term. At that gestational age, infants often need help breathing and feeding. A Level 3 NICU, like the one at West Penn, is equipped to provide full life support and surgical care for premature newborns.
All nine babies spent time together in the same NICU unit — an unusual sight even for veteran staff. Dr. Ronald Thomas, Director of Maternal-Fetal Medicine at West Penn, said: "To have three sets of triplets in the house at one time is something I have not seen in my 30-year career." The three families have since stayed in contact, forming a small community of triplet parents in Western Pennsylvania, according to NBC Los Angeles.
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