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OTRC: Giuliana Rancic sobs when told surrogate is carrying her baby (Video)

Giuliana and Bill Rancic react to the news that a surrogate mother is carrying their biological child, in a scene from an episode of the pair's Style network reality show 'Giuliana and Bill' that airs on April 24, 2012. They announced the pregnancy a day earlier, following years of fertility problems and her battle with breast cancer. (Style network / NBC Universal)

Giuliana Rancic, who recently announced she and husband Bill are expecting a baby through a gestational surrogate, is seen in a promotional video breaking down in tears while talking on the phone with the woman who is carrying their child.

The clip is from an episode of "Giuliana & Bill" that is set to air on the Style network on Tuesday, April 24. The couple's fertility problems and Rancic's recent breast cancer battle have been documented on the reality show.

In the video, the two talk to their Colorado-based fertility doctor, Dr. William Schoolcraft, on speaker phone and a woman identified only as "gestational carrier," greets them.

"Well, we've got the pregnancy test," the physician says. "It's uh, completely, 100 percent positive. She's carrying a baby."

Rancic's husband, 40, appears to tear up as his wife says "Oh my God" and begins crying into a tissue.

"Thank you," Rancic says, sobbing. "We're so happy. Thank you so much."

The couple announced the pregnancy on NBC's "Today" show on Monday. The two are preparing to welcome their new addition in the late summer and have chosen not to reveal the baby's gender yet.

Rancic, 37, told the outlet they plan to visit the woman carrying their child throughout the pregnancy and joked that she refers to her as her "baby mama."

"She is giving us the greatest gift we're ever getting in our lives," the reality star told People magazine. "She's so selflessly helping make our dream a reality. We adore her. Once we met her it was an instinct we had. We could tell she was a great person."

Her husband said they intend to maintain a relationship with the woman after their baby is born, but added: "That will be up to her."

Rancic promoted the episode on her Twitter page, saying: "New "Giuliana & Bill" tonight on Style 8/7c where we find out we're having a baby! Retweet to win signed copy of I Do, Now What?#GandB."

She and her husband wed in 2007 and penned the 2010 book " I Do, Now What? Secrets, Stories, and Advice from a Madly-in-Love Couple." They had tried to have children for years. Rancic had attempted two vitro fertilization (IVF) treatments. She was diagnosed with breast cancer during a doctor's appointment to discuss a third.

Tuesday's episode of "Giuliana & Bill" also documents the double masectomy she underwent in December 2011. After the hour-long show, the Style network is airing a special about surrogacy that is co-hosted by the couple.

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