I would go 42-43 weeks and even then if things where still looking fine and bub was happy I would be happy ( but very impatient) to wait. My first bub according to my dates was 3w 3d over and from the u/s at 20 weeks (not as accurate 16 years ago) I was 10 days over...it was spontaneous labour all natural in the birthing centre.
I was over it but was happy for her to choose her own birth date.



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