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Fertility Glossary

Multiple pregnancy

Being pregnant with twins, triplets or more.

Pregnancy after fertility treatment

Multiple pregnancies carry higher risks for the pregnant person and babies. UK policy encourages single embryo transfer where appropriate to reduce multiple births after IVF.

Also known as: twins, multiple birth, triplets

Last reviewed: 23 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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