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[Genetic risks of in vitro fertilization]
1Departement für Frauenheilkunde, Klinik und Poliklinik für Geburtshilfe, Universitätsspital Zürich, Schweiz.
Geburtshilfe Und Frauenheilkunde
|March 1, 1995
Summary
In vitro fertilization (IVF) poses no increased genetic risk to offspring. Congenital malformations and spontaneous abortions in IVF are comparable to the general population, with genetic evaluation recommended for specific infertility cases.
Area of Science:
- Reproductive Medicine
- Clinical Genetics
- Infertility Treatment
Context:
- In vitro fertilization (IVF) is a common infertility treatment.
- Increasing andrological issues prompt investigation into IVF's genetic risks.
- Patient concerns focus on congenital malformations and spontaneous abortions in IVF offspring.
Purpose:
- To compare congenital malformation rates in IVF populations versus the general population.
- To assess spontaneous abortion rates in IVF pregnancies.
- To evaluate genetic risks associated with advanced IVF techniques like intracytoplasmic sperm injection (ICSI).
Summary:
- Congenital malformations occur in 1.5% of IVF births, below the general population's 3% baseline.
- Spontaneous abortion rates after IVF (21-27%) are not significantly higher than the general population's 15%.
- Microinvasive techniques (ICSI) for andrological issues may carry genetic risks due to underlying chromosomal anomalies or hereditary disorders.
Impact:
- IVF, including ICSI, appears safe regarding congenital malformations and spontaneous abortions.
- Genetic evaluation and counseling are advised for cases of andrological or idiopathic infertility.
- Identifies specific genetic syndromes where pre-IVF genetic assessment is crucial.