Because not everyone has a 28 day cycle! if everyone's bodies were the same then dates would be too. But since everyone ovulates at different times, you get different dates.
2007-11-08 03:26:35
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answer #1
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answered by Lily18 5
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Ultrasounds are exceedingly precise at giving a due date, granted they are no longer continuously best. yet they do provide a exceedingly sturdy guess in step with what your uterus is measuring and what the toddler is measuring. My first ultrasound suggested my due date replaced into april 8, with my 2nd ultrasound it suggested april 6.. So that's no longer that plenty distinction. yet i've got heard which you would be able to pass everywhere from 10 days forward or 10 days previous due from the ultrasound due date
2016-10-15 11:39:35
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answer #2
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answered by ? 4
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I am due on dec. 5th and conceived on or around March 14th. The first day of my last period was Feb. 28th.
It all depends on how long a womens cycle is on when she conceives.
If you have a normal 28 day cycle and are due on dec. 8th then you would have conceived on or around March 17th. The first day of your last period should have been March 3rd.
http://healthlink.mcw.edu/article/923526833.html
2007-11-08 03:33:17
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answer #3
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answered by Lurinda 5
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Because due dates are calculated by the first day of the last monthly period...everyone's is different
2007-11-08 03:27:06
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answer #4
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answered by Gage's Mommy :-) 5
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if you're due dec 8th, conception happened on the 15th march, and your last menstrual cycle should have been on the 1st march. that's probably why there are differences.
2007-11-08 03:27:14
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answer #5
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answered by Tiara 6
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Because of your cycle and LMP silly goose!
2007-11-08 03:30:15
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answer #6
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answered by Anonymous
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It depends on how many days are in your cycle.
2007-11-08 03:42:08
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answer #7
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answered by Queen 5
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different bodies....different timing
2007-11-08 03:30:06
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answer #8
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answered by thsp 4
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different period lengths different doctors different bodies
2007-11-08 03:26:51
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answer #9
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answered by kleighs mommy 7
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Some of us get sex more than once a year.
2007-11-08 03:31:14
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answer #10
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answered by Anonymous
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