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Fertility Glossary

Primary infertility

Never having conceived a pregnancy.

Fertility basics

Primary infertility means a person or couple has never achieved a pregnancy despite regular unprotected sex over the expected period. The label describes the history only; it does not predict the outcome of investigation or treatment.

Sources

  • World Health Organization — infertility and reproductive health definitions

Last reviewed: 8 September 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.

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