Informed consent: providing information about prenatal examinations

Area of Science:

• Prenatal care
• Maternal-fetal medicine
• Genetics

Background:

• Prenatal care has shifted towards patient autonomy and informed decision-making.
• This review examines literature on information provided to pregnant women regarding prenatal examinations.
• Focus is on Down syndrome screening and risk communication for informed choices.

Purpose of the Study:

• To investigate how information about Down syndrome and screening tests impacts informed decision-making.
• To explore various methods of expressing risk estimates.
• To assess the effectiveness of different information delivery methods.

Main Methods:

• Systematic review of existing literature.
• Analysis of interventions like group counseling, individual sessions, and leaflets.
• Evaluation of how risk is communicated (e.g., proportions, percentages, relative risk).

Main Results:

• Group counseling, individual sessions, and leaflets improve knowledge and reduce decisional conflict without increasing anxiety.
• Information gaps exist regarding Down syndrome, screening limitations, and risk expression.
• Women better understand relative risk reduction than absolute risk reduction or number needed to treat.
• Lay terms are more effective than medical jargon for risk perception.

Conclusions:

• Effective information delivery can enhance knowledge and reduce decisional conflict.
• Meeting women's expectations for information is crucial for perceived quality and informed consent.
• Current information practices for Down syndrome screening do not consistently empower informed consent due to knowledge gaps and suboptimal risk communication.