I think what EddieDean’s said is well reasoned, and I can understand that way of approaching it. My counterpoint for liking “birth”:

She sees that Ben’s birth will signal the end of her time as a Jedi, and we never really get the sense that being a Jedi is something she’s particularly invested in compared to being a leader and statesman (and while it doesn’t matter two bits for the movie, the novel makes this explicitly canon). She gets pregnant, and so decides that’s her signal to go back to her true calling.

Then you get this lovely double meaning, where her Jedi path is picked up by Rey and completed, and this time when it ends, Ben is born again from the ashes of Kylo Ren. So her vision was true, both times, without anything weirdly fatalistic or motivated by fear.