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Topic: Gestation

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In the News (Fri 24 May 19)

  Gestation Network
This site contains software for calculating gestational age, estimated fetal weight, customised fetal growth charts and birthweight centiles.
Disclaimer: The Gestation Network and authors of the software cannot accept responsibility for any clinical diagnoses or decisions made on the basis of programmes downloaded from this site.
GROW - customised software programmes contain algorithms based on published principles and formulae which are copyright of the Gestation Network.
www.gestation.net   (179 words)

  Gestation Periods and Animal Scale
The gestation periods of other animal reveals that the length of the gestation period is largely a matter of the animal specie's size.
Thus the gestation period should be proportional to the scale of the animal.
The conclusion is that the nine-month gestation period for humans is merely a matter of human size and not the result of some evolutionary optimization.
www.sjsu.edu /faculty/watkins/gestation.htm   (1140 words)

 The HSUS Praises Smithfield Move to End Confinement of Pigs in Gestation Crates | The Humane Society of the United ...
"Gestation crates are one of the most inhumane confinement systems used in modern agribusiness, and this decision is a signal by the industry leader that these crates have no place in the future of American agriculture.
The sows have a gestation period of four months, and are in the crates for nearly their entire pregnancy.
Florida citizens voted to prohibit gestation crate confinement in 2002, and the Arizona measure was approved in 2006.
www.hsus.org /press_and_publications/press_releases/hsus_praises_smithfield_gestation_crate_phase_out.html   (514 words)

 Farm Sanctuary - Campaigns Index Page
Gestation crates, narrow metal enclosures where female breeding pigs are confined for most of their lives, have been outlawed by European countries because of humane concerns, and Farm Sanctuary is campaigning to ban these inhumane devices in the United States.
In an effort to prevent Florida from outlawing gestation crates, factory pork producers approached the American Veterinary Medical Association (AVMA) and convinced them to officially endorse these inhumane devices at the AVMA convention in the summer of 2002.
Tell him that gestation crates are inhumane and should be prohibited by the state’s humane standards.
www.farmsanctuary.org /campaign/gestation_campaign.htm   (687 words)

  MedlinePlus Medical Encyclopedia: Gestational age
Gestation is the period of time between conception and birth, during which the fetus grows and develops inside its mother's uterus.
Gestational age is the time measured from the first day of the woman's last menstrual cycle to the current date.
Strictly speaking, the gestational age of a fetus or infant is a measurement of time inside of the uterus.
www.nlm.nih.gov /medlineplus/ency/article/002367.htm   (406 words)

  Gestation Stalls, Animal Welfare and People   (Site not responding. Last check: 2007-11-07)
Gestation stalls are specifically designed for confinement housing of pregnant gilts and sows on hog farms.
The defining characteristic of gestation stalls is that each stall confines an individual sow, and stalls are arranged in the breeding-gestation barn such that the sows are confined individually in rows of adjacent stalls.
The gestation stall issue has been in the news recently with two groups, Farm Sanctuary and the Humane Society of the United States, conducting a campaign in the state of Arizona to establish an election year referendum proposing bans on gestation stalls for sows and tethers for veal calves.
www.ext.vt.edu /news/periodicals/livestock/aps-06_09/aps-365.html   (1423 words)

 Gestation Period and Gestational Age Encyclopedia of Childhood and Adolescence - Find Articles
A gestation period of thirty-eight weeks (266 days) is calculated for women who are pregnant by a procedure such as in vitro fertilization or artificial insemination that allows them to know their exact date of conception.
The gestational age of a fetus or newborn infant corresponds to how far along it is in the gestation period, usually measured in weeks and days from the first day of the mother's last menstrual period.
Gestational age is also used as a baseline to identify babies who are at risk because of their small size--small for gestational age (SGA) or small for date (SFD).
www.findarticles.com /p/articles/mi_g2602/is_0002/ai_2602000272   (462 words)

 Prolonged Gestation Associated with Fetal Deformity - The Merck Veterinary Manual
In Holstein-Freisian cows, genetically determined prolonged gestation is caused by an autosomal recessive gene of the fetus.
Prolonged gestation with craniofacial defects in the fetus has been reported in Ayrshire, Guernsey, and Jersey breeds of cattle and is thought to be caused by a recessive gene.
Treatment of a case in which gestation is not genuinely prolonged may result in the delivery of a premature fetus that is unlikely to survive.
www.merckvetmanual.com /mvm/htm/bc/111204.htm   (1592 words)

 Gestation Summary
For a full-term infant, the length appropriate for gestational age is forty-eight to fifty-three centimeters and the weight is between 2700 and 4000 grams.
Gestational age is also used as a baseline to identify babies who are at risk because of their small size—small for gestational age (SGA) or small for date (SFD).
Gestation is the carrying of an embryo or fetus inside a female viviparous animal.
www.bookrags.com /Gestation   (759 words)

 Gestation Table for Cattle
Ever need a handy gestation table to let you know when your calf is due?
Cattle Today's Gestation Table and Calculator is just for you.
Generally younger cows and smaller breeds calve up to 10 days earlier and older cows and larger breeds calve up to 10 days later.
cattletoday.com /gestation.shtml   (49 words)

 Gestation definition - Medical Dictionary definitions of popular medical terms
Gestation: Period of time from conception to birth.
Miscarriage - Read about the possible causes for a miscarriage such as chromosomal abnormalities, diseases such as lupus, diabetes, thyroid disorders, and others.
MedicineNet does not provide medical advice, diagnosis or treatment.
www.medterms.com /script/main/art.asp?articlekey=3589   (134 words)

 GoVeg.com // Features // Smithfield Foods and Maple Leaf Foods Are Phasing Out Cruel Gestation Crates
Of all the cruel abuses of animals on factory farms, one of the most hideous is the gestation crate.
Pigs are intelligent, friendly, social animals; mother pigs in gestation crates often go insane from the complete isolation and boredom, with only metal bars in front of them to stare at.
In addition, thousands of animal rights activists in Florida and Arizona recently worked to pass statewide bans on gestation crates; these victories likely showed Smithfield that the days of gestation crates were numbered because Americans are against cruelty to animals.
www.goveg.com /smithfield-victory.asp   (497 words)

 Gestation Sow Housing Options Abound
The move to individual gestation stalls made feeding easier, prevented sows from fighting during mixing and feeding, allowed for individual health care and vaccination, provided better control of the dunging area, prevented sows in estrus from excessively riding each other, and allowed more sows to be housed in a specific amount of space.
Whether constructing a new gestation facility or remodeling an existing one, sow welfare is just one aspect of a total decision-making process that involves many other factors, including capital costs, anticipated performance, ease of management and operating cost.
Research has shown that food deprivation for 48 hours after ovulation is associated with changes in reproductive hormones, changes in metabolic hormones, a decrease in number of sperm cells transported to the sperm reservoir of the oviduct, a lower cleavage rate of embryos and a delayed transport of ova.
nationalhogfarmer.com /mag/farming_gestation_sow_housing/index.html   (2546 words)

 Gestation Periods and Animal Scale
The gestation periods of other animal reveals that the length of the gestation period is largely a matter of the animal specie's size.
Thus the gestation period should be proportional to the scale of the animal.
The conclusion is that the nine-month gestation period for humans is merely a matter of human size and not the result of some evolutionary optimization.
www.applet-magic.com /gestation.htm   (1140 words)

 current   (Site not responding. Last check: 2007-11-07)
If a beef cow is to have a calf every year and pay her way in the herd, she has to return to heat, conceive, gestate and deliver a baby on a 12 month schedule.
Consequently the longer gestation cattle have fewer days between calving and the next conception if they are to stay on a twelve month calving inteval.
Cows that gestate in excess of 290 days must return to heat very soon (at or before 60 days after calving) to maintain the same reproductive performance of shorter gestation cows.
www.ansi.okstate.edu /exten/cc-corner/archgestationlength.html   (247 words)

 Pregnancy and Multiple Gestation Rates after Transfer of Two Versus Three Blastocysts
The pregnancy rate in the 2B group was 73 percent and in the 3B group, it was 76 percent.
The viable pregnancy rate in the 2B group was 58 percent, and the viable pregnancy rate in the 3B group was 62 percent.
Additionally, none of the multiple gestations in the 2B group were triplet gestations, whereas 36 percent of the 3B group pregnancies were triplet gestations.
www.inciid.org /article.php?cat=multiples&id=191   (573 words)

 [No title]
The following data lists the average gestation period (in days) and longevity (average life expectancy in years) for a sample of animals, as reported in The 1993 World Almanac and Book of Facts.
8.         Does longevity (life expectancy) of animals help explain gestation period for these animals?  Write the null and alternative hypotheses, calculate the appropriate test-statistic (with degrees of freedom), find the p-value, and write a sentence answering the question.
(or 1.09).  In other words, the median gestation period for a life expectancy of 17 years is about 1.09 times longer than for a life expectancy of 16 years.
oregonstate.edu /instruct/st352/kollath/handouts/simplereg/gestation.htm   (746 words)

 Rabbit Breeding for Beginners - Gestation and Birth
Something that will give you a good hint about if she's going to have babies soon is if she starts carrying hay around in her mouth trying to make a nest out of it.
Start squeezing and pinching the rabbit's abdomen between your fingers and your thumb between the last rib of the rabbit's rib cage and the pelvic bone.
At three to three and a half weeks, they should feel longer and you may even be able to distinguish their heads from their bodies.
rabbitbreeding.8m.com /page3.htm   (1917 words)

 Ewe Management Tips: Mid and Late Gestation   (Site not responding. Last check: 2007-11-07)
Additionally, proper nutrition during gestation is important to prevent nutritional disorders which may impact the health and performance of the ewe and her lambs, and influences milk production of the ewe.
There are several factors that affect the nutritional needs of the ewe during gestation, with primary considerations for: 1) age, 2) weight, 3) body condition, 4) stage of gestation (early-mid vs. late), and 5) fetal number (single, twins, triplets).
Often, ewes are grazing during early gestation, and in most cases forage alone will meet or exceed their nutritional needs, and in many cases ewes will gain weight during this period while grazing fall pastures.
www.ext.vt.edu /news/periodicals/livestock/aps-03_10/aps-262.html   (911 words)

 Pork giant to phase out gestation crates - Food Inc. - MSNBC.com
Female pigs used for breeding (called 'breeding sows' by industry) are confined most of their lives in 'gestation crates' which are so small that they cannot even turn around.
Smithfield's sows, which the company says grow to an average of 400 to 450 pounds during gestation, are kept in 2-by-7-foot metal crates in order to monitor their progress during their four-month pregnancies.
Preliminary results after two years indicate that with proper management, group housing is as good as gestation stalls for providing care for pregnant sows, he said.
www.msnbc.msn.com /id/16812499   (919 words)

 3187E Equine Gestation
                       The average length of the gestation period is from 335 to 350 days for all breeds of horses.
                       Gestation period of colts is usually 2 to 7 days longer than fillies.
                       Gestation period of a mare carrying a mule fetus is approximately 10 days longer than the gestation period of a mare carrying a horse fetus.
www.agriscience.msu.edu /3000/3180/3187/3187E/3187E.htm   (434 words)

 283 Days of Gestation and Birthing of the Man Child
It turns out that looking up the various occurrences of 283 provides a rich commentary not just about gestation and birth but also in the metaphor this presents of the birthing of the kingdom of God in these latter-days, the coming forth of the manchild.
Page 283 of Gesenius' Old Testament lexicon is also filled with gestation-relevant words such as 2504, "to go out of the loins" and 2502, "to deliver;" as well as kingdom of God birthing concepts.
While the application of this to gestation or childbirth is not immediate, this definition renders a near verbatim cross link to word definition 2502 found on page 283 of Gesenius that includes the meaning, "to deliver."
www.greaterthings.com /Word-Number/Doctrine/Gestation/index.html   (2147 words)

 Pregnancy & Childbirth | Women Can Attempt VBACs At or After 40 Weeks' Gestation, Study Says - Kaisernetwork.org
Women who previously have undergone a caesarean-section can safely attempt a vaginal birth during a subsequent pregnancy, even if they are at or past 40 weeks' gestation, according to a study published in the October issue of
Kara Coassolo of the Hospital of the University of Pennsylvania-Philadelphia and colleagues examined the outcomes for 11,587 women who attempted a vaginal birth after c-section before, at and after 40 weeks' gestation.
The researchers found that 69% of women who attempted VBAC at or after their estimated date of delivery were less likely to be successful compared with 78% of women who delivered before their estimated date of delivery.
www.kaisernetwork.org /daily_reports/rep_index.cfm?DR_ID=32935   (203 words)

I found that the gestation period for an architecture was completely unpredictable, if that architecture did not have good reference points with previous experience.
An application architecture is not fully gestated until the architect can visualize the implementation, and explain the architecture to the implementation team clearly enough that they can visualize the implementation.
In other words, try to predict what is coming down the road, and get the gestation on the hard architectural problems started well before you need to nail down a timeline.
jroller.com /page/cpurdy?entry=gestation   (1552 words)

 Gestation Calculator
The gestation will be displayed in weeks and days by default, but will be displayed in months if you select "Months" in the "Display gestation as:" section of the Gestation Calculator.
The Gestation Calculator assumes that the average length of a month is 4.44 weeks when it converts weeks to months.
The latest due date that you can enter is 280 days from today, which would give a gestation of 0 weeks and 0 days.
members.cox.net /david.kutzler/CalculateEGA.htm   (379 words)

Gestation refers to the period of development from fertilization until birth.
Range of gestation in humans 245-294 days (35-42 weeks).
Maternal Nutrition - effects of undernutrition are only important during the last 1/6 of gestation.
core.ecu.edu /biol/singhasc/Gestation.htm   (432 words)

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