Family medical history: Information to Bring to a Preconception Visit

A family medical history gives your clinician clues about conditions that may matter before pregnancy. It is not a prediction of what will happen to your child. Bring what you know about both biological parents’ families, and be clear about anything uncertain or unavailable.

Gather specific details when possible

Note the condition, which relative had it, and roughly when it was diagnosed. Mention known genetic conditions, chromosome differences, birth defects, developmental disabilities, and serious health problems in infancy or childhood. Include significant medical conditions such as diabetes or heart disease when discussing the broader family history.

If a relative is willing to share a genetic or diagnostic report, that can be more useful than a remembered label. Ask permission rather than assuming that planning a pregnancy requires access to another person’s private medical information.

Include your own pregnancy and health history

Tell the clinician about previous pregnancy losses, stillbirth, premature birth, or a child with a genetic condition or birth defect. These details can affect the questions to explore and whether a specialist discussion would be helpful.

The preconception appointment guide can help you bring the family information alongside medicines, diagnoses, and previous care records. You do not need to determine which detail is important before mentioning it.

Ask what the history changes

A clinician may recommend genetic counselling, a specific test, or other preparation. If a particular genetic change is known in the family, ask whether the proposed test actually includes it. A broad commercial panel does not automatically answer every family question.

The carrier screening guide explains how screening differs from a diagnosis and why a negative result has limits. No known family history also does not guarantee that neither biological parent carries a genetic condition.

Work with gaps without inventing answers

Adoption, donor conception, estrangement, incomplete records, or a relative’s wish for privacy may leave parts of the history unknown. Tell the clinician about those gaps. Do not delay all preconception care while trying to reconstruct information you cannot reasonably obtain.

You can keep a short note and update it later if more information becomes available. Ask what can be assessed now, what remains uncertain, and whether a result might be relevant to relatives who may choose to seek advice themselves. The purpose is informed choices, with room for your circumstances and values.