LOS ANGELES (CBSLA.com) — It is not uncommon to see twins in the neonatal intensive care unit at Cedars-Sinai Medical Center near Beverly Hills.

On Tuesday, there were eight sets of twins at the hospital. “I’ve been working in the NICU for a long time, and I have never seen this many sets of twins,” said registered nurse Natalie Terterian.

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Twelve sets of twins have come through the NICU in the past 30 days.

Fertility specialist Margareta Pisarska cannot give an exact reason for the twin baby boom. But Cedars-Sinai does have about eight times the babies born from fertility treatments than some parts of the country.

“We live in the part of the country where most women will wait to have children. And age alone increases your risk of having multiples, even spontaneous twins,” Pisarska said.

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Nidhi Gupta has a set of identical boys. She said it is reassuring to know that nurses there have a lot of experience with twins.

“I think one of the reasons why I am not so worried about my babies is because of the lovely staff that they have here. I don’t think I would have been able to take care of my babies as well as they do,” she said.

Camaraderie has been building among the twin moms. “We kind of share the same situation. We’re talking and sharing tips and giving each other mutual support,” said Natalie Anvar.

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On Tuesday, twins occupied half the beds in the NICU at Cedars.