Typical pregnancy length may vary more than thought - KFVS12 News & Weather Cape Girardeau, Carbondale, Poplar Bluff

Typical pregnancy length may vary more than thought

Updated: Aug 7, 2013 10:04 AM
© iStockphoto.com / Ira Bachinskaya © iStockphoto.com / Ira Bachinskaya
  • SPONSORED BY SOUTHEAST HEALTHMore>>

  • Beshear: 413,000 sign up for health care in Ky

    Beshear: 413,000 sign up for health care in Ky

    Tuesday, April 22 2014 3:22 PM EDT2014-04-22 19:22:11 GMT
    Kentucky Gov. Steve Beshear says more than 413,410 people have signed up for health insurance through Kentucky's marketplace in the first enrollment period that ended March 31.
    Kentucky Gov. Steve Beshear says more than 413,410 people have signed up for health insurance through Kentucky's marketplace in the first enrollment period that ended March 31.
  • Too little sleep may add to teen health problems

    Too little sleep may add to teen health problems

    Many teens from lower- and middle-income homes get too little sleep, potentially adding to the problems of kids already at risk for health issues, new research finds.
    Many teens from lower- and middle-income homes get too little sleep, potentially adding to the problems of kids already at risk for health issues, new research finds.
  • BJC changes charity care standards

    BJC changes charity care standards

    Sunday, April 20 2014 1:01 PM EDT2014-04-20 17:01:10 GMT
    Charity care has long been a core mission of BJC HealthCare, but the St. Louis area's largest employer is cutting back amid increasing financial pressures.
    Charity care has long been a core mission of BJC HealthCare, but the St. Louis area's largest employer is cutting back amid increasing financial pressures.
  • HealthMore>>

  • Spouse's sunny outlook may be good for your health

    Spouse's sunny outlook may be good for your health

    Marriage vows often include the promise to stick together for better or for worse, and research now suggests that when it comes to your health, having an optimistic spouse is better.
    Marriage vows often include the promise to stick together for better or for worse, and research now suggests that when it comes to your health, having an optimistic spouse is better.
  • Mental illness not a driving force behind crime

    Mental illness not a driving force behind crime

    TUESDAY, April 22, 2014 (HealthDay News) -- Less than 10 percent of crimes committed by mentally ill people are directly linked to the symptoms of their disorders, a new study shows. "When we hear about crimes committed by people with mental illness, they tend to be big headline-making crimes, so they get stuck in people's heads," said study author Jillian Peterson, a psychology professor at Normandale Community College in Bloomington, Minn. "The vast majority of people with mental illness a...
    TUESDAY, April 22, 2014 (HealthDay News) -- Less than 10 percent of crimes committed by mentally ill people are directly linked to the symptoms of their disorders, a new study shows. "When we hear about crimes committed by people with mental illness, they tend to be big headline-making crimes, so they get stuck in people's heads," said study author Jillian Peterson, a psychology professor at Normandale Community College in Bloomington, Minn. "The vast majority of people with mental illness a...
  • A little wine might help kidneys stay healthy

    A little wine might help kidneys stay healthy

    An occasional glass of wine might help keep your kidneys healthy, new research suggests.
    An occasional glass of wine might help keep your kidneys healthy, new research suggests.
  • HealthMore>>

  • People seek out health info when famous person dies

    People seek out health info when famous person dies

    WEDNESDAY, April 23, 2014 (HealthDay News) -- The deaths of well-known people offer an opportunity to educate the general public about disease detection and prevention, a new study suggests. Researchers surveyed 1,400 American men and women after Apple co-founder Steve Jobs died of pancreatic cancer in 2011 and learned that more than one-third of them sought information about his cause of death or information about cancer in general soon after his death was reported. About 7 percent of th...
    WEDNESDAY, April 23, 2014 (HealthDay News) -- The deaths of well-known people offer an opportunity to educate the general public about disease detection and prevention, a new study suggests. Researchers surveyed 1,400 American men and women after Apple co-founder Steve Jobs died of pancreatic cancer in 2011 and learned that more than one-third of them sought information about his cause of death or information about cancer in general soon after his death was reported. About 7 percent of th...
  • Spouse's sunny outlook may be good for your health

    Spouse's sunny outlook may be good for your health

    Marriage vows often include the promise to stick together for better or for worse, and research now suggests that when it comes to your health, having an optimistic spouse is better.
    Marriage vows often include the promise to stick together for better or for worse, and research now suggests that when it comes to your health, having an optimistic spouse is better.
  • Mental illness not a driving force behind crime

    Mental illness not a driving force behind crime

    TUESDAY, April 22, 2014 (HealthDay News) -- Less than 10 percent of crimes committed by mentally ill people are directly linked to the symptoms of their disorders, a new study shows. "When we hear about crimes committed by people with mental illness, they tend to be big headline-making crimes, so they get stuck in people's heads," said study author Jillian Peterson, a psychology professor at Normandale Community College in Bloomington, Minn. "The vast majority of people with mental illness a...
    TUESDAY, April 22, 2014 (HealthDay News) -- Less than 10 percent of crimes committed by mentally ill people are directly linked to the symptoms of their disorders, a new study shows. "When we hear about crimes committed by people with mental illness, they tend to be big headline-making crimes, so they get stuck in people's heads," said study author Jillian Peterson, a psychology professor at Normandale Community College in Bloomington, Minn. "The vast majority of people with mental illness a...
  • Latest Health NewsThe Latest from HealthDayMore>>

  • Spouse's sunny outlook may be good for your health

    Spouse's sunny outlook may be good for your health

    Marriage vows often include the promise to stick together for better or for worse, and research now suggests that when it comes to your health, having an optimistic spouse is better.
    Marriage vows often include the promise to stick together for better or for worse, and research now suggests that when it comes to your health, having an optimistic spouse is better.
  • Mental illness not a driving force behind crime

    Mental illness not a driving force behind crime

    TUESDAY, April 22, 2014 (HealthDay News) -- Less than 10 percent of crimes committed by mentally ill people are directly linked to the symptoms of their disorders, a new study shows. "When we hear about crimes committed by people with mental illness, they tend to be big headline-making crimes, so they get stuck in people's heads," said study author Jillian Peterson, a psychology professor at Normandale Community College in Bloomington, Minn. "The vast majority of people with mental illness a...
    TUESDAY, April 22, 2014 (HealthDay News) -- Less than 10 percent of crimes committed by mentally ill people are directly linked to the symptoms of their disorders, a new study shows. "When we hear about crimes committed by people with mental illness, they tend to be big headline-making crimes, so they get stuck in people's heads," said study author Jillian Peterson, a psychology professor at Normandale Community College in Bloomington, Minn. "The vast majority of people with mental illness a...
  • A little wine might help kidneys stay healthy

    A little wine might help kidneys stay healthy

    An occasional glass of wine might help keep your kidneys healthy, new research suggests.
    An occasional glass of wine might help keep your kidneys healthy, new research suggests.

WEDNESDAY, Aug. 7 (HealthDay News) -- The natural length of pregnancies can vary by as much as five weeks, according to a new study.

Pregnant women typically are given a likely birth date that is 280 days after the onset of their last menstrual period. Only 4 percent of women deliver at 280 days, however, and just 70 percent deliver within 10 days of their estimated due date.

The authors of the study said they're the first to find a way to pinpoint the precise point at which a woman ovulates and a fertilized embryo implants in the womb during a naturally conceived pregnancy, and to follow the pregnancy through to delivery.

This is done by analyzing women's urine for the presence of three hormones associated with the onset of pregnancy.

Using this information, the researchers were able to calculate the length of 125 pregnancies, according to the study, which was published Aug. 7 in the journal Human Reproduction.

"We found that the average time from ovulation to birth was 268 days -- 38 weeks and two days," Dr. Anne Marie Jukic, a postdoctoral fellow in the epidemiology branch at the U.S. National Institute of Environmental Health Sciences, said in a journal news release. "However, even after we had excluded six pre-term births, we found that the length of the pregnancies varied by as much as 37 days."

The researchers were "a bit surprised" by the finding.

"We know that length of gestation varies among women, but some part of that variation has always been attributed to errors in the assignment of gestational age," Jukic said. "Our measure of length of gestation does not include these sources of error, and yet there is still five weeks of variability. It's fascinating."

It's too early to make any clinical recommendations based on the findings and further research is required, the study authors said.

"I think the best that can be said is that natural variability may be greater than we have previously thought, and if that is true, clinicians may want to keep that in mind when trying to decide whether to intervene in a pregnancy," Jukic said.

More information

The U.S. Department of Health and Human Services outlines how to have a healthy pregnancy.

Copyright © 2013 HealthDay. All rights reserved.

*DISCLAIMER*: The information contained in or provided through this site section is intended for general consumer understanding and education only and is not intended to be and is not a substitute for professional advice. Use of this site section and any information contained on or provided through this site section is at your own risk and any information contained on or provided through this site section is provided on an "as is" basis without any representations or warranties.
Powered by WorldNow

310 Broadway
Cape Girardeau, MO 63701

FCC Public File
publicfile@kfvs12.com
573-335-1212
EEO Report
Closed Captioning

All content © Copyright 2000 - 2014 Worldnow and KFVS12. All Rights Reserved.
For more information on this site, please read our Privacy Policy and Terms of Service.