• Prenatal development 
• Prenatal screening and assessment
• Pregnancy and birth
• Problems of pregnancy 

(teratology - birth defects - prematurity)

Prenatal development

• Basic Embryology Review Program 


Fantastic resource. Interactive, annotated images on embryonic and fetal development day by day, and week by week from the University of Pennsylvania Health System.

• The Visible Embryo 


Excellent graphics and charts of the weekly growth of a fetus during gestation.

• The Virtual Embryo's Dynamic Development Site 


Excellent, detailed on-line tutorial on early developmental biology (gametogenesis and from gamete to embryo) from Leon Browder and Laurie Iten (University of Calgary). Quite biological in focus

• The Zygote 


Everything one would want to know (and see) about zygotes from a developmental biology perspective. Great pictures and links. From Scott Gilbert, Department of Biology, Swarthmore College.

• Prenatal Development Month by Month 


Good pictures and descriptions of prenatal development.  From Pregnancy-Tips.com.

Prenatal screening and assessment

• ParenthoodWeb's Ultrasound Index 


Many excellent, annotated ultrasound images of the developing fetus throughout pregnancy.

• Joseph Woo's Obstetric Ultrasound Site 


An amazing site - Excellent ultrasound images and detailed information on ultrasound technology and its history. Can listen to fetal heart sounds and watch videos of ultrasounds. Excellent information on using ultrasound for the detection of various fetal problems and good links to other similar sites.

• Obgyn.net's links on Amniocentesis & Chorionic Villus Sampling 


Good links to sites describing these procedures.

• Prenatal Screening and Assessment 


Information on various prenatal tests available to expecting parents from Michigan State University's Department of Pediatrics and Human Development.

• San Francisco Bay Area Down Syndrome Page 

Excellent links for Down syndrome and good information. Also has a good page on prenatal testing and Down syndrome.

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Pregnancy and birth

• Ask NOAH: Pregnancy 


Very comprehensive site with excellent links on most issues of pregnancy (including birth defects, prenatal screening, prenatal care, prenatal development, teenage pregnancy, contraception, substance use...). From New York Online Access to Health.

• A.P.P.P.H. Publications 


The Association for Pre- & Perinatal Psychology and Health's publications including Life Before Birth and The Pre- & Perinatal Psychology Journal. 

• Parentsplace Pregnancy and Birth Center 


Lots of information on pregnancy and birth for expectant parents. 

• Baby-Place 


Magazine-type mega parenting site with a bunch of information on pregnancy, birth, and infants.

• On-line Birth Center 


Midwifery, Pregnancy, Birth, and Breastfeeding information and resources for parents.

• Childbirth.Org Site 


Mega site with tons of information about the birth experience for expectant parents. Has a 'natural' childbirth perspective.

• Due date calculator 


Calculates an expectant woman's due date From ParenthoodWeb.

Babynamer.Com 

Extensive site to help future parents pick out names.
 

 Think! Baby Names 

Dictionary on the origin, meaning, and history of first names.

Problems of pregnancy (teratology - birth defects - prematurity)

• Association of Birth Defect Children 


Some useful fact sheets on various types of birth defects.

• Premature infants 


Good information and excellent links for parents of preemies.

• March of Dimes 


Excellent information on all kinds of birth defects.

• Teratology Society 


Good links and information on birth defects.

• Low Birth Weight 


A report on the topic of outcomes for low birth children from the Center for the Future of Children, a component of the David and Lucile Packard Foundation.