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However, Nathan told TV Line that the duo - played by David Boreanaz and Emily Deschanel - will not be tying the knot in the near future.
"I can't see a wedding happening this season," he said. "At some point I think there has to be [one]."
Nathan added: "But there are going to be so many problems they'll have to deal with before that, like how their work is affected by this baby - and it's going to be affected a lot."
Bones creator Hart Hanson recently suggested that the Fox show is likely to be renewed for an eighth season.
The series will return with a new episode on Thursday (January 12).
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