A 51-year-old woman is the proud new mom of twin girls, born at Lankenau Medical Center this week.
While Cook maybe older than the typical new mom, she says she doesn't care what others think. "I really wanted this and I made it happen."
Lisa Cook got pregnant with the help of fertility treatments, and says it took 8 years for her to talk her 63-year-old husband into having more children.
The couple already has 9-year-old twins, a boy and girl.
"I'm actually in shock, I just can't believe I am looking at my two little girls," said Cook, as she cradled little Caroline and Eva in her arms.
Eva came out first, weighing in at 4 pounds, 2 ounces, and about a half hour later Caroline came, weighing 5 pounds, 14 ounces.
The Cook twins will stay in the NICU until next week before they can head home to meet their older brother and sister.
"Fifty catches your attention but we have a fair number of people that are fifty deciding to have a kid," said Dr. Andy Gerson, Lankenau Medical Center.
Dr. Gerson delivers 6-10 babies each year to moms who are over the age of fifty. He says it's not a problem if the women are healthy.