Within 10 chapters this book addresses the whole gamut of questions that may arise in the context of pregnancy resulting from assisted reproduction. Incidence of abortion, extrauterine pregnancy or chromosomal abnormalities, pregnancy complications, problems regarding mode of delivery and the health status of children at birth are covered as well as the further development of the children and the social structure of the families. Topics such as follow-up of families in lesbian relationships and following gamete donations are also discussed.