The journey toward welcoming their daughterKaavia Jameswasn’t without its physical (and mental) roadblocks forGabrielle UnionandDwyane Wade.

“I’ve just always been of the mindset — because this is what people tell you: ‘You work hard, you do the right things, you’re a good person, it will happen for you,’ eventually,” says theBeing Mary Janestar, 46, who previously revealed in her memoirWe’re Going to Need More Winethat she hadsuffered “eight or nine miscarriages”after infertility and failed in vitro fertilization treatments.

“I could not let go of thisidea of creating this lifewithin me … that tied me to [Dwyane], that he could be a part of, that the world could be a part of,” she explains, adding of her former mantra, “I’m not letting myself and all these people down. I need to be pregnant for everybody, including myself.”

Courtesy OWN

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The NBA star admits he struggled with watching his wife go through the process of putting her mind and body through the stress of trying to conceive.

“So it came to a point where I started to feel a certain way about that because I didn’t want something to happen to her,” adds the Miami Heat player, who’s also dad to sons Xavier Zechariah, 5, Zion Malachi Airamis, 11, and Zaire Blessing Dwyane, 16. He also raises nephew Dahveon Morris, 17.

“It was getting dangerous,” Wade tells Winfrey, 64. “We were tryingso much and so many things andso many different methods, and it was getting dangerous and I was getting nervous.”

RELATED VIDEO: Gabrielle Union Talks New Motherhood in Exclusive Interview withOprah Winfrey

Becoming a mother for the first time at age 46, Union explains she didn’t really think seriously about having children of her own until she became a stepmom to Wade’s sons.

“I sawmotherhood and parenthood withvery realistic eyes,” she tells Winfrey. “It looked hard, when I wanted a life of flitting around the country and the lack of responsibility and all that.”

“Parenthood is sacrifice and being consistent and being present,” theBring it Onstar adds.

Dwyane Wade and Gabrielle Union with daughter Kaavia and Oprah Winfrey.Courtesy OWN

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“And then [Dwyane] got full custody,” Union continues, joking of her husband, “I signed up for the boys quicker than I signed up for him.”

“She thoughtshe was getting a man thathad weekend kids,” Wade quips, laughing. “She didn’t know she was getting a man that had [full-time parenting] responsibilities.”

source: people.com