But Shai may apparently end up with more than one new sister or brother!
Peta, 35, said she is "maybe" considering twins, according toUs Weekly.
"I'm still discussing that with Maks. That's a huge difference. Huge!" she noted.
Peta, whom doctors believe has Polycystic Ovary Syndrome, admitted she would really love to welcome a daughter with Maksim, 42.
"I really want a girl... and he's very much just wanting that bond with one baby," the dancer and choreographer said of her husband. "I think we're both nervous about trying to balance two, with how to kind of share the love and be there for each baby."
Peta's first miscarriage happened in late 2020, and her most recent miscarriage occurred in October 2021, when Maksim was out of the country filming Dancing with the Stars in Ukraine.
"I never wanted to tell anyone," Peta wrote on Instagram earlier this month. "A total of 6 people knew. Our families. But beyond that I was willing to take this secret to the grave."
Peta hoped that by sharing her pregnancy journey, she'd be able to help at least one person going through a similar situation.
And also on the bright said, Peta said she and Maksim are "closer" than ever before.
"[Losing a child] is traumatizing, and he's the one that's closest to me. So, he goes through it as much as I go through it, so to speak," Peta told Us.
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"It did bring us closer together. When you go through something like that, it's just an ultimate bonding session... When you come to those crossroads and those big decisions, making them together and moving forward together as a family unit is so important, and I feel like we did that."
Peta and Maksim welcomed Shai in January 2017 and then got married in July of that year.
Maksim and Peta also went through another challenging time earlier this year when Maksim had to flee Ukraine in late February after Russia's "terrifying" invasion. It took over a week for Maksim to return home to the United States and reunite with his worried wife.