While international adoption can offer potential parents more options, newly adopted children often have physical ailments.
"These are children who are born small and somewhat immune compromised," Dr. Aronson said. "They are living in developing nations where there are risks of tuberculosis, parasites, exposure to hepatitis."
The 58-year-old gained worldwide attention after treating Angelina Jolie's daughter, Zahara from a life-threatening bacterial infection shortly after she arrived from Ethiopia.
Dr. Aronson also provides an antidote for emotional issues as well.
"I've spent the last 20 years travelling to orphanages all over the world, to see the conditions that these kids grow up in." she said. "So I know when they arrive here how hurt, sad and empty and how yearning they are to love."
And Doctor Aronson isn't immune. That's why she helps new moms like Nanette Green bond with their daughters.
Nanette said that Abigail "didn't see me as somebody who was going to be her mama for the rest of her life."
But not anymore, thanks in part to Dr. Jane's guidance.
Recently, Glamour magazine named her one of its women of the year, recognizing her work through the Worldwide Orphans Foundation. She started it 12 years ago to provide health care and a healthier life to children left orphaned by disease, war and starvation.
The adoption guru brings her work home. She and her partner Diana adopted two sons: 11-year-old Des from Ethiopia and nine-year-old Ben from Vietnam.
"Kids want a family who would do anything to have what we have," Des said. "A family who takes care of them, loves them and gives them hugs at night and tucks them in bed."
And in this holiday season, families who have already given light to an unwanted child say there is no greater gift.