hurricanes cause women to go into labor?
Posted: 11 August 2005 09:38 AM   [ Ignore ]
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not quite sure if this is a hoax or just misinformation ... but it’s not a joke, it’s not general chit chat, and it’s not news ... sooo, here it is.  lol.
there is a guy i work with who’s wife is preggers ... she’s due the 17th of august, and we’ve got a little office pool goin on when she’ll actually have the baby ( my money is on the 12th! raspberry ) ... anyways.  he said that if his baby is not born the 12th, then she’ll come by tuesday, maybe, because that’s when tropical storm irene should be here ( of course, no guarantees that it will get here at all, or that irene will even turn into a hurricane ... you know how retarded weather can be ).  anyways ... i asked why he thought that, and he said that the barometric pressure drop caused by hurricanes makes pregnant women go into labor ... :/  that sounds totally ridiculous to me, tho of course, i’m not a doctor, so i have no idea.  i did my own research but couldn’t find much ... the only thing i found said that women go into labor around hurricanes because of stress and dehydration, which sounds like it could be a reason.  but he said the pressure does something to their bodies, or something, and that causes them to go into labor.
anybody heard of this?  true or totally ridiculous?  thanks!

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Posted: 11 August 2005 02:26 PM   [ Ignore ]   [ # 1 ]
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The only ‘information’ I could find on it was purely anecdotal. These statements were surrounded by others on the ‘fact’ that the star sign of the parents, the phase of the moon, the blah blah blah made a difference.

Stress and dehydration sound far more likely to me…

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Posted: 11 August 2005 02:33 PM   [ Ignore ]   [ # 2 ]
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I’d agree with Boo. The stress caused by an approaching hurricane could definitely send a woman into a labor. But I don’t see why a drop in barometric pressure would have such an effect.

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Posted: 11 August 2005 02:35 PM   [ Ignore ]   [ # 3 ]
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All I know (the hard way) about barometric pressure is that it dropping can cause you to have a stroke.

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Posted: 14 August 2005 07:48 AM   [ Ignore ]   [ # 4 ]
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I know that some people think this is also true for a full moon…but if this were true then women who were not yet at term would also go into labor.  Since lots of pre-term babies aren’t born during a hurricane/full moon then I don’t see that it’s true.

I was pregnant during hurricanes and didn’t go into labor.  My mom was pregnant during lots of hurricans and she never went into labor during/near the time of the hurricane.

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Posted: 20 September 2005 03:38 PM   [ Ignore ]   [ # 5 ]
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Here’s some evidence on barometric pressure and labor.  I can’t find anything that supports the full moon theory, although I was very hopeful this last weekend, as I’m 40 weeks and counting.

Title
Association between significant decrease in barometric pressure and onset of labor.
Author
King EA; Fleschler RG; Cohen SM
Address
St. Luke’s Episcopal Hospital, Houston, TX 77030, USA.
Source
J Nurse Midwifery, 1997 Jan-Feb, 42:1, 32-4
Abstract
To determine whether there is any correlation between sudden decrease in barometric pressure and onset of labor, a non-experimental, retrospective study at a 948-bed tertiary care hospital was done. Pregnant patients of 36 weeks gestation or more who presented with spontaneous onset of labor during the 48 hours surrounding the 12 occurrences of significant drop in barometric pressure in 1992 were included in the study. Significantly more occurrences of onset of labor were identified in the 24 hours after a drop in barometric pressure than were identified in the 24 hours prior to the drop in barometric pressure (P < 0.05). Therefore, the overall number of labor onsets increased in the 24 hours following a significant drop in barometric pressure.

Title
The effect of changes in atmospheric pressure on the occurrence of the spontaneous onset of labor in term pregnancies.
Author
Noller KL; Resseguie LJ; Voss V
Address
Department of Obstetrics and Gynecology, University of Massachusetts Medical School, Worchester, USA.
Source
Am J Obstet Gynecol, 1996 Apr, 174:4, 1192-7; discussion 1197-9
Abstract

OBJECTIVE: Our purpose was to determine whether there is a relationship between changes in atmospheric pressure and spontaneous onset of labor in term pregnancy. STUDY DESIGN: All women admitted to Medical Center of Central Massachusetts-Memorial Hospital with spontaneous onset of labor at term and who were delivered on the service during a 12-month period represent the cohort for this study. Each maternal chart was abstracted to ensure that each member of the cohort met the inclusion criteria. Hourly recordings of atmospheric pressure made at the Worcester Station of the National Weather Service, Department of Commerce, were used as the meteorologic data points of interest. Least-squares regression was used to determine an equation that expresses the probability of the onset of labor in this cohort as a function of gestational age, which was used to calculate expected numbers for the statistical analyses. Two relationships were studied: (1) the ratio of the observed to the expected number of onsets of labor and (2) the initiation of labor and atmospheric pressure changes in the preceding 3 hours. RESULTS: Three-hour periods of falling atmospheric pressure were less often followed by initiation of labor than were the periods with other types of pressure sequences. No association was observed between the onset of labor and days of low mean pressure. CONCLUSION: Although there was an observed statistically significant association between falling barometric pressure and onset of labor, the magnitude of the difference is not of clinical significance.

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Posted: 20 September 2005 04:51 PM   [ Ignore ]   [ # 6 ]
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Lots of women going into labor….pretty scary…

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