Dr. Jennifer Arnold of the TLC series The Little Couple has revealed she is  battling a rare form of cancer.

39-year old Arnold, a Houston-based neonatologist, and her husband Bill Klein, recently became parents to adopted children Will, 3, and Zoey, 2. The couple's struggle with fertility as well as the adoption process was chronicled on the series.  But now a new kind of disease is threatening their new family.

Arnold reveals in an exclusive statement to People.com:

"I have recently been diagnosed with a rare type of cancer and am currently undergoing treatment, including surgery and chemotherapy. I am very fortunate as the prognosis is good. While there is never a good time to get news like this, getting it just as we are building our new family is tough in many ways ... But being surrounded by the love of my husband and our two beautiful children is actually in many ways giving me the strength to fight it even stronger."

No further details about the type of cancer Arnold is facing has been disclosed.

Arnold and Klein have been TLC reality stars since a TV special about their wedding, The Little Couple: Just Married, became a surprise hit for the network.

Certainly, Arnold, who has had approximately 30 procedures and surgeries related to her dwarfism, isn't one to shy away from a fight. TLC has not commented on whether Jen's condition and her fight to get well will be part of an upcoming season of the TV show.

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