Related topics: women , pregnant women , smoking , children , babies
Pregnancy
hidePregnancy (latin graviditas) is the carrying of one or more offspring, known as a fetus or embryo, inside the uterus of a female. In a pregnancy, there can be multiple gestations, as in the case of twins or triplets. Human pregnancy is the most studied of all mammalian pregnancies. Obstetrics is the surgical field that studies and cares for high risk pregnancy. Midwifery is the non-surgical field that cares for pregnancy and pregnant women.
Childbirth usually occurs about 38 weeks after conception; i.e., approximately 40 weeks from the last normal menstrual period (LNMP) in humans. The World Health Organization defines normal term for delivery as between 37 weeks and 42 weeks. The calculation of this date involves the assumption of a regular 28-day period.
For more information about Pregnancy, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
News tagged with pregnancy
Hairspray is linked to common genital birth defect, says study
Nov 21, 2008 |
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Women who are exposed to hairspray in the workplace during pregnancy have more than double the risk of having a son with the genital birth defect hypospadias, according to a new study published today in the ...
Morning sickness is pregnancy 'wellness insurance'
Jun 26, 2008 |
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Morning sickness. It's the bane of many of a pregnancy. And many a future mother wonders at the apparently unnecessary suffering.
Pregnant mice block out unwelcome admirers to protect their pups
Biology /
Jul 20, 2008 |
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Mouse mothers-to-be have a remarkable way to protect their unborn pups. Because the smell of a strange male's urine can cause miscarriage and reactivate the ovulatory cycle, pregnant mice prevent the action of such olfactory ...
A child's IQ can be affected by mother's exposure to urban air pollutants
Jul 20, 2009 |
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A mother's exposure to urban air pollutants known as polycyclic aromatic hydrocarbons (PAHs) can adversely affect a child's intelligence quotient or IQ, a study reports. PAHs are chemicals released into the air from the burning ...
Selective sex abortion causes 32 million excess males in China
Apr 10, 2009 |
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Selective abortion in favour of males has left China with 32 million more boys than girls, creating an imbalance that will endure for decades, an investigation released on Friday warned.
Pregnant women consuming flaxseed oil have high risk of premature birth
Oct 27, 2008 |
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A study has found that the risks of a premature birth quadruple if flaxseed oil is consumed in the last two trimesters of pregnancy. The research was conducted by Professor Anick Bérard of the Université de Montréal's Faculty ...
New contraceptive device is designed to prevent sexual transmission of HIV
Medicine & Health / HIV & AIDS
May 19, 2009 |
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Researchers from Weill Cornell Medical College have published results showing that a new contraceptive device may also effectively block the transmission of the HIV virus. Findings show that the device prevents infection ...
Consumption of nut products during pregnancy linked to increased asthma in children
Jul 15, 2008 |
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Expectant mothers who eat nuts or nut products like peanut butter daily during pregnancy increase their children's risk of developing asthma by more than 50 percent over women who rarely or never consume nut products during ...
Daily sex helps to reduce sperm DNA damage and improve fertility
Jun 30, 2009 |
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Daily sex (or ejaculating daily) for seven days improves men’s sperm quality by reducing the amount of DNA damage, according to an Australian study presented today (Tuesday) to the 25th annual meeting of the European Society ...
When a Twin is not a Twin
Sep 28, 2009 |
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(PhysOrg.com) -- A woman in Fort Worth, Arkansas is carrying two babies that may not be twins, and which may have been conceived two and a half weeks apart. The two babies may be the result of superfetation, a rare phenomenon ...
Babies' language learning starts from the womb
Medicine & Health / Neuroscience
Nov 05, 2009 |
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(PhysOrg.com) -- From their very first days, newborns' cries already bear the mark of the language their parents speak, reveals a new study published online on November 5th in Current Biology, a Cell Press ...
Uterine cells produce their own estrogen during pregnancy
Jul 20, 2009 |
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For decades, scientists assumed that the ovary alone produced steroid hormones during pregnancy. In a new study in mice, however, researchers demonstrate that once an embryo attaches to the uterine wall, the ...
WHO: AIDS leading cause of death, disease in women
Medicine & Health / HIV & AIDS
Nov 09, 2009 |
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(AP) -- In its first study of women's health around the globe, the World Health Organization said Monday that the AIDS virus is the leading cause of death and disease among women between the ages of 15 and 44.
New concepts in contraception
Aug 27, 2008 |
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Latest research into dual-purpose contraceptives and non-hormonal contraception will be presented tomorrow at a major scientific conference in Melbourne.
Gap junction protein vital to successful pregnancy, researchers find
Sep 10, 2008 |
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Researchers studying a critical stage of pregnancy – implantation of the embryo in the uterus – have found a protein that is vital to the growth of new blood vessels that sustain the embryo. Without this protein, ...
