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Welcome to The Visible Embryo, a comprehensive educational resource on human development from conception to birth.

The Visible Embryo provides visual references for changes in fetal development throughout pregnancy and can be navigated via fetal development or maternal changes.

The National Institutes of Child Health and Human Development awarded Phase I and Phase II Small Business Innovative Research Grants to develop The Visible Embryo. Initally designed to evaluate the internet as a teaching tool for first year medical students, The Visible Embryo is linked to over 600 educational institutions and is viewed by more than ' million visitors each month.


WHO International Clinical Trials Registry Platform
The World Health Organization (WHO) has created a new Web site to help researchers, doctors and patients obtain reliable information on high-quality clinical trials. Now you can go to one website and search all registers to identify clinical trial research underway around the world!



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Disclaimer: The Visible Embryo web site is provided for your general information only. The information contained on this site should not be treated as a substitute for medical, legal or other professional advice. Neither is The Visible Embryo responsible or liable for the contents of any websites of third parties which are listed on this site.
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Pregnancy Timeline by SemestersFetal liver is producing blood cellsHead may position into pelvisBrain convolutions beginFull TermWhite fat begins to be madeWhite fat begins to be madeHead may position into pelvisImmune system beginningImmune system beginningPeriod of rapid brain growthBrain convolutions beginLungs begin to produce surfactantSensory brain waves begin to activateSensory brain waves begin to activateInner Ear Bones HardenBone marrow starts making blood cellsBone marrow starts making blood cellsBrown fat surrounds lymphatic systemFetal sexual organs visibleFinger and toe prints appearFinger and toe prints appearHeartbeat can be detectedHeartbeat can be detectedBasic Brain Structure in PlaceThe Appearance of SomitesFirst Detectable Brain WavesA Four Chambered HeartBeginning Cerebral HemispheresFemale Reproductive SystemEnd of Embryonic PeriodEnd of Embryonic PeriodFirst Thin Layer of Skin AppearsThird TrimesterSecond TrimesterFirst TrimesterFertilizationDevelopmental Timeline
Click weeks 0 - 40 and follow fetal growth
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June 3, 2011--------News Archive

Rett Syndrome May be Treatable In Near Future
Rett has been considered a neurodevelopmental disorder, as symptoms appear in early childhood. However, these same symptoms appear after removal of Mecp2 in adult mice, suggesting it is critical to all normal brain functioning.

Color Red Increases Speed and Strength of Reactions
When humans see red, their reactions become both faster and more forceful. And people are unaware of the color's intensifying effect.


June 2, 2011--------News Archive

Coffee Tied To Lower Prostate Cancer Risk
Regular coffee drinkers appear to have a lower risk of developing a lethal form of prostate cancer, evident in men who drank regular or decaffeinated coffee.

Mom's Placental Size Predicts Son's Heart Disease
Researchers investigating the foetal origins of chronic disease have discovered that combinations of a mother's body size and the shape and size of her baby's placenta can predict heart disease in men in later life.


June 1, 2011--------News Archive

Linking Environment and Genetics Triggering MS
Evironmental and inherited risk factors associated with multiple sclerosis converge to alter a critical cell function linked to the chronic neurologic disease.

Kids Who Bully Have Sleep Problems
Urban schoolchildren with behaviors like bullying more likely to have sleep-disordered breathing or daytime sleepiness.

Infrared Device Can Diagnose Bladder Dysfunction
A cell phone-sized, wireless near-infrared device is as reliable as the current “gold standard” invasive tests in determining bladder disease.


May 31, 2011--------News Archive

Why Does Flu Trigger Asthma?
Study suggests new therapeutic targets for virally-induced asthma attacks.

Healthy Kids For Women with Mitochondrial Disease
Pre-implantation genetic diagnosis (PGD) can give women at risk of passing on a mitochondrial DNA disorder to their offspring, a good chance of being able to give birth to an unaffected child.


May 30, 2011--------News Archive

Link Between Estrogen And Blood Pressure Found
Researchers have found that long-term estrogen exposure generates excessive levels of the compound superoxide, which causes stress in the body.

Key Molecule for Stem Cell Pluripotency Discovered
Researchers have discovered what enables embryonic stem cells to differentiate into diverse cell types and thus to be pluripotent.

WHO Child Growth Charts

Men who regularly drink coffee appear to have a lower risk of developing a lethal form of prostate cancer, according to a new study led by Harvard School of Public Health (HSPH) researchers. The lower risk was evident among men who drank regular or decaffeinated coffee.

The study was published May 17 in an online edition of the Journal of the National Cancer Institute.

“Few studies have specifically studied the association of coffee intake and the risk of lethal prostate cancer, the form of the disease that is the most critical to prevent. Our study is the largest to date to examine whether coffee could lower the risk of lethal prostate cancer,” said senior author Lorelei Mucci, associate professor of epidemiology at HSPH.

Lethal prostate cancer is cancer that causes death or spreads to the bones. Prostate cancer is the most frequently diagnosed form of cancer and the second leading cause of cancer death among U.S. men, affecting one in six men during their lifetime. More than 2 million men in the United States and 16 million men worldwide are prostate cancer survivors.

“At present we lack an understanding of risk factors that can be changed or controlled to lower the risk of lethal prostate cancer. If our findings are validated, coffee could represent one modifiable factor that may lower the risk of developing the most harmful form of prostate cancer,” said lead author Kathryn Wilson, a research fellow in epidemiology at HSPH.

The researchers chose to study coffee because it contains many beneficial compounds that act as antioxidants, reduce inflammation, and regulate insulin, all of which may influence prostate cancer. Coffee has been associated in prior studies with a lower risk of Parkinson’s disease, type 2 diabetes, gallstone disease, and liver cancer.

The study examined the association between coffee consumption and the risk of prostate cancer, particularly the risk for aggressive prostate cancer, among 47,911 U.S. men in the Health Professionals Follow-Up Study who reported their coffee consumption every four years from 1986 to 2008. During the study period, 5,035 cases of prostate cancer were reported, including 642 fatal or metastatic cases.

Among the findings:
Men who consumed the most coffee (six or more cups daily) had nearly a 20 percent lower risk of developing any form of prostate cancer.

The inverse association with coffee was even stronger for aggressive prostate cancer. Men who drank the most coffee had a 60 percent lower risk of developing lethal prostate cancer.

The reduction in risk was seen whether the men drank decaffeinated or regular coffee, and does not appear to be due to caffeine.

Drinking one to three cups of coffee per day was associated with a 30 percent lower risk of lethal prostate cancer.

Coffee drinkers were more likely to smoke and less likely to exercise, behaviors that may increase advanced prostate cancer risk. These and other lifestyle factors were controlled for in the study.

The results need to be validated in additional populations that have a range of coffee exposure and a large number of lethal prostate cancer cases. If confirmed, the data would add to the list of other potential health benefits of coffee. The authors are planning additional studies to understand specific mechanisms by which coffee may lower the risk of lethal prostate cancer.

Other HSPH researchers who participated in the study: Edward Giovannucci and Meir Stampfer, professors of nutrition and epidemiology; Julie L. Kasperzyk, postdoctoral research fellow; Stacey Kenfield, research associate; Jennifer Stark, research fellow; and Rob van Dam, adjunct assistant professor in the Department of Nutrition.

The study was supported by the National Cancer Institute at the National Institutes of Health, the American Institute for Cancer Research, and the Prostate Cancer Foundation. Original article: http://news.harvard.edu/gazette/story/2011/05/coffee-tied-to-lower-prostate-cancer-risk/