In addition to providing information on the intestinal disease cholera, this article discusses characteristics of the bacterium that causes it, Vibrio cholerae. This website includes a picture of the bacterium, a map of the disease's...

[Free Registration/Login may be required to access all resource tools.] Covers major events in the growth and development of the fetus.

Provides a description of what the expecting mother can expect to go through during the third, and last, trimester of pregnancy.

Students learn about the development of blood vessels, and how this contrbutes to fetal circulation.

Find out about the development and hormonal changes associated with reproductive development for both males and females.

There are descriptions of 8 different prenatal tests that can be used to track the health and development of a baby. The risks of the tests are also included.

See the amazing process of human conception followed by the development of the embryo through each week of the pregnancy to the birth.

This article, in which the author discusses how, by consuming alcohol, a pregnant woman can harm her unborn child, provides information on specific deformities associated with Fetal Alcohol Syndrome (FAS) as well as overviews of how...

Use this resource to learn about how maternal alcohol use and abuse can harm a developing baby and cause problems even after birth. This article answers questions such as, "What are the hazards of drinking alcohol during pregnancy?" and...

This article on prenatal exposure to ecstasy, heroin, cocaine, and other drugs discusses how illicit substances not only affect a developing baby, but also affect children long after the initial exposure.

This detailed article from American Family Physician journal covers a number of topics ranging from the clinical characteristics of the normal placenta to potential abnormalities of the placenta. The text is supplemented with actual...

The miracle of life is featured in this wonderful series of short videos and journal entries. A variety of topics are covered in this well written, authoritative piece.

[Free Registration/Login may be required to access all resource tools.] Describes how the embryo forms specialized cells and organs.

This lesson will describe the stages of development of an embryo during pregnancy.

Quick overview of baby brain development both before and after birth.

Describes the parts of a pig's circulatory system and how its blood circulates. Circulation in a pig fetus is also described as it has differences.

A study suggesting that the presence of thyroid hormones in pregnancy has a dramatic effect on the development of the fetal brain.

[Free Registration/Login may be required to access all resource tools.] While a woman is pregnant, the developing baby may be called an embryo or a fetus. The embryo stage lasts until the end of the 8th week after fertilization. After...

The basics of how humans reproduce is covered here. Learn about female and male reproductive organs, mating, fertilization, how a fetus develops, and birth.

Discover the development of an embryo. Beginning with fertilization and progressing through each stage in the first trimester and continuing every two weeks for the second and third trimesters. This site is meant for medical students and...

In this activity you will: graph data of human fetal growth and describe the rate of human fetal growth.

The Why? Files have uncovered information relating baby birth size to early development. The study discusses the positives of delivering a larger baby.

Self-guided learning activity where students learn about the structure and function of the male and female reproductive systems. There is a short quiz at the end of the lesson to check for understanding.

[Free Registration/Login may be required to access all resource tools.] Discusses the role of the placenta during fetal development.