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Human Reproduction, Vol. 14, No. suppl_1, pp. 231-242, 1999
© 1999 European Society of Human Reproduction and Embryology

Pregnancy and child outcome after assisted reproduction techniques

Basil C. Tarlatzis1 and Grigoris Grimbizis

1st Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki and Infertility and IVF Center Geniki Kliniki Thessaloniki, Greece

Correspondence: 1To whom correspondence should be addressed

The introduction and widespread application of assisted reproduction techniques have raised major concern about the outcome of resulting pregnancies, as well as about the offspring's health. It seems that pregnancies achieved after standard in-vitro fertilization (IVF) bear an increased risk for prematurity and low birth weight. On the other hand, pregnancy outcome of singletons achieved after intracytoplasmic sperm injection (ICSI) and after the transfer of frozen-thawed embryos is similar to that of spontaneously conceived singletons, and pregnancy complications are related only to gestation multiplicity. The incidence of congenital and chromosomal anomalies after standard IVF seems to be similar to that expected in the general population. The prevalence of congenital malformations does not seem to be higher after ICSI. On the other hand, there is a slightly increased risk for transmission of chromosomal aberrations of paternal origin and a higher risk of de novo, mainly sex-chromosomal aberrations. Postnatal growth and development of children born after standard IVF and cryopreservation seem to be within the normal ranges. Growth of ICSI children is also normal while their mental development needs further investigation. Family functioning in assisted reproduction families is better.

Key words: child development/chromosomal anomalies/congenital malformations/family functioning/pregnancy outcome


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