Warning: The following contains a major spoiler from this Friday’s episode of Fox’s Fringe. If you have not yet watched it, check back once you have.

As if Peter Bishop didn’t already feel the weight of the world -– er, two worlds -– on his shoulders, the closing moments of this week’s Fringe promise to give the lad even more to think about.

Yep, she’s pregnant. AltLivia/Fauxlivia/Bolivia, that is. And yes, it’s Peter swimmers that got the job done (Sorry, Frank), making Walternate quite the anxious granddad.

How will this revelation shake things up in each reality?

“The two universes are in disharmony, they’re in a fractured balance, so anything that happens on one side, certainly for the duration of this season and moving forward, will by design affect the other,” Fringe executive producer Jeff Pinkner tells TVLine.

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For starters, Pinkner says, “There will be consequences for Bolivia and certainly Walternate, escalating the storytelling on that side.” After all, as AltBrandon presented the news to Walternate: “I think I might have another way to bring Peter back from the other universe.”

Indeed, the big question is what Peter will do with this information once it makes its way to him, and how if at all it might influence his massive decision — and it sounds like that bombshell won’t take long at all to drop.

“The reality of what’s happening over there will get to our side relatively soon,” previews Pinkner, “and it will absolutely affect what’s going on over here,” where Peter has been laboring to reconcile his feelings for Olivia vs. Fauxlivia as well as come to terms with his destiny as a savior of one — but which? — world.

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If this paternity shocker at first blush appears a smidge soapy for a series as risk-taking as Fringe, rest assured that this ain’t no shopworn General Hospital storyline coming your way.

“We get to tell stories that maybe you understand as a viewer, and you’ve seen before” – but always with a twist, exec producer J.H. Wyman points out. “This is not the first time you’ve heard about somebody having an affair, which is always interesting drama. But it becomes a totally different thing when the person your loved one has fooled around with is another version of yourself!”

“In keeping with that,” Wyman continues, “this reveal will not unfold in a way that is traditional. So people should prepare for that, because it should be very interesting.”

Fringe fans, what extraordinary ramifications do you think might be born of this “baby bump”?