Welcome to The Visible Embryo

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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 one 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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No dirivative works may be made or used for commercial purposes.

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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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Home--History--Bibliography- -Pregnancy Timeline- Prescription Drugs/Pregnancy- Pregnancy Calculator - Reproductive System- -News Alerts

January 27, 2012--------News Archive

In The Brain, An Earlier Sign Of Autism
In infants as young as six months, babies who will go on to develop autism already show different brain responses when someone looks at or away from them.

High Animal Fat Diet Increases Gestational Diabetes
NIH study shows animal fat before conception linked to pregnancy related condition.

Multiple Births Lead to Moms' Weight Gain - Problems for Male Offspring
Women having multiple births also have difficulty losing weight gained in pregnancy - but their sons may suffer as well.

January 26, 2012--------News Archive

Prenatal Testosterone Linked to Male Language Delay
Males at greater than twice the risk of language delay than females

Spotting Dyslexia Before School Starts
Brain MRIs may provide an early diagnostic marker

Precursers to Blood-Forming Stem Cells Identified
Scientists have identified the environment in which blood-forming stem cells survive and thrive within the body

January 25, 2012--------News Archive

Exercise Triggers Cell Recycling
A new study finds that exercise prompts cells to break down unwanted proteins and other cellular junk thereby producing more energy.

Gene Therapy Ready for Commercial Development
The time for commercial development of gene therapy has come.

Babies Born “Intuiting Physics”?
Numerous infant studies indicate environmental knowledge is present soon after birth

January 24, 2012--------News Archive

Plugging Up A Fundamental Cell Process
Study of a plant hormone could have far-reaching implications for all cell biology and disease research.

Nurturing Moms Raise Healthier Adults
Study shows childhood experiences have long-term effects on health in midlife.

Working Moms Look for More Than A Paycheck
A recent study of employed moms finds that most would work even if they didn't have to work.

January 23, 2012--------News Archive

Epigenetic Link to Congenital Heart Disease
Discovery identifies how two finely tuned genes influence fetal heart muscle development into a beating heart.

Rare Disease Yields Hypertension Gene Complex
Analyzing all the genes of people suffering from a rare form of hypertension, researchers discover a new mechanism regulating blood pressure in all humans.

WHO Child Growth Charts

What Is Your BMI?