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Re: RCT supports expectant management 42 wksFrom: Kathi Wilson, BHSc, RM (wilsonk@gtn.net)Sun Dec 27 09:35:18 1998
At Sun, 27 Dec 1998, Luis Sanchez-Ramos, M.D. wrote: > >At Sat, 26 Dec 1998, Kathi Wilson, BHSc, RM wrote: >>>Anyway, in our neck of the woods, when a woman has completed 37 weeks of pregnancy, she is considered to be term<< > >Yes, that is 40 weeks plus or minus 2 weeks (38-42). No, it's 37 weeks to 42 weeks. That's been my point all along. 37 completed weeks is 37 weeks + 0 days of gestation and a woman is then in her 38th week, but is not 38 completed weeks. I think Geff wrote it all out, didn't he? Anyway, the first week of pregnancy (were a woman actually pregnant then, which she is not) is 0+0 (which is the first day of the LMP) 0+1, 0+2, 0+3, 0+5, 0+6. When a woman completes that first week, she is one completed week or 1+0. She is in her second week, but she is not two weeks pregnant. That's why using ordinal is not a good thing. Nominal and ordinal numbers mean very different things.
-- Kathi Wilson BHSc RM Thames Valley Midwives London, Ontario, Canada mailto:wilsonk@gtn.net
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