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Fertility Glossary

Natural-cycle IVF

IVF collecting the single egg produced in a natural cycle.

Little or no stimulation medication is used, so drug costs and overstimulation risk are lower, but only one egg is usually available and cancellation is more likely. Several cycles may be needed.

Related terms

Mild-stimulation IVF

IVF using lower doses of stimulation medication.

Cancelled cycle

A treatment cycle stopped before egg collection or transfer.

IVF (in vitro fertilisation)

Eggs are collected and fertilised in a laboratory, then an embryo is transferred.

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