“This is a whole new chapter in our lives,” says the actress, 43, in an interview for this week’s issue of PEOPLE of herself and husband Ted Griffin. “It’s been full, and amazing and exhausting and wonderful.”

And busy, surely. But after yearsof fertility struggles, Foster is relishing every single minute with the family she yearned for for so long.

“I was always trying to make sense of why it wasn’t working,” she says of their efforts to conceive. “I always thought, there has to be a reason. Now I realize Emily was soclearly meant to be our daughter. She was the reason!”

Kat Borchart

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It was in 2014 when, after a painful 2009 divorce from herfirst husband, actor Christian Borle, Foster met writer Griffin on a blind date.

“There was something about being with Ted that made me want kids,” she says. “He belonged in my family. I didn’t really understandthe concept of motherhooduntil he came around.”

Admitting, “We started so late,” Foster was keen to try to get pregnant with Griffin as soon as they got engaged. When they didn’t succeed right away, Foster was baffled.

“I was so angry that it was so hard,” she recalls. “I’m so used to being the type of person where if I want to make something happen, I make it happen. It was really frustrating. And wewere racing against the clock.”

RELATED VIDEO:Sutton Foster on Daughter Emily: “I Want Her to Find Passion in Something — Other Than Romance”

After a year and a half, the couple turned to in vitro fertilization. But two failedrounds of the fertility procedureled to a “breakdown.” Says Foster, “I was sobbing uncontrollably. And I was like, ‘We have to pursue other options.’ ”

After another IVF failed, Sutton and Griffin turned to adoption. “Where IVF was full of disappointment and heartbreak, adoption was so clearly what was meant to be for us,” she says.

WATCH: Sutton Foster on Adopting

And when it comes to one day sharing with Emily the story of how she became a part of their family, Foster vows to be honest and open. “I don’t want there to beany mystery or stigma or shame,” she says. “This is just her story. And I think that’s a really positive thing.”

The formerBunheadsstar she’s open to the idea of expanding her family. “If I miraculously get pregnant, we’ll see!” she says. “We feel so lucky but I do feel like there may be another soul waiting to meet us.”

For more from Sutton Foster, pick up the latest issue ofPEOPLE, on newsstands now.

source: people.com