Patient Information for Pregnancy and Beyond - New York Online Access to Health (NOAH)
A wealth of well-organized and useful links covering virtually every question a patient could ask about pregnancy. Topics include abortion, fetal development, premature labor, cord blood preservation, pregnancy complications, and newborn care. An outstanding resource.
BabyCenter
A commercial site that requires free registration. Users enter their due date and receive weekly emails describing the normal progression of fetal development and addressing common questions that arise during pregnancy.
Drug Information - American Academy of Family Physicians
An excellent resource for patients and physicians. The drug information database, which can be searched or browsed alphabetically, contains comprehensive information about most drugs in patient-friendly and clinician-friendly versions. Includes information such as drug interactions and pregnancy and lactation recommendations.
Obstetric Ultrasound
A comprehensive, multimedia-enhanced site on obstetric ultrasound. It discusses the procedure's indications and utility and includes images and videos of 2-D and the newer 3-D ultrasound.
Image Library - OBGYN.net
A collection of obstetric and gynecologic images including clinical photographs, ultrasound images, and anatomical illustrations.
Pregnancy Wheel - MedCalc
An online tool that works just like the typical pregnancy wheel: click on the date of the last menstrual period, and the wheel points to the estimated due date.