By CBS3 Staff

VOORHEES, N.J. (CBS) – Those who celebrate the rare Leap Day birthday are in luck this year as there is a Feb. 29 on the calendar. Eric Grossman, a labor and delivery doctor in South Jersey, is celebrating in a unique way.

He’s reuniting with two Leap Day babies he helped deliver at Virtua in Voorhees.

READ MORE: Former Pennsylvania AG Kathleen Kane Sent To Treatment For Alcohol Use After Probation Violation

They are actually sisters — Chloe and Joelle Davidson.

Chloe was born on Leap Day in 2012 and Joelle on Leap Day in 2016.

READ MORE: PennDOT, Local Authorities Announce Extra Enforcement To Be Conducted Over Memorial Day Weekend

Dr. Grossman knows how special these birthdays can be because he was born on Leap Day, too!

“Personally, I always enjoy working on my birthday because I love adding Leap Day babies to the mix. I think it’s fun to talk about with parents. It makes for a nice story,” Grossman said.

MORE NEWS: 78,000 Pounds Of Infant Formula Arrives In United States

On Thursday, the Davidson sisters delivered handmade birthday cards that will be given to Leap Day babies that will be delivered on this Saturday, Feb. 29.